:root {
  color-scheme: dark;
  --page: #090d10;
  --panel: #11171b;
  --surface: #171e23;
  --surface-2: #1d262c;
  --surface-3: #252f35;
  --line: #2b363c;
  --line-strong: #405058;
  --text: #f5f1e8;
  --muted: #96a3a8;
  --faint: #849197;
  --mint: #78e0c2;
  --mint-soft: rgba(120, 224, 194, 0.13);
  --yellow: #f4c65d;
  --yellow-soft: rgba(244, 198, 93, 0.13);
  --red: #ff796f;
  --red-soft: rgba(255, 121, 111, 0.12);
  --blue: #8cb8ff;
  --section-spritesheet-accent: #a8df7a;
  --section-spritesheet-bg: #18251a;
  --section-spritesheet-border: #5f8f52;
  --section-phaser-accent: #e8b07a;
  --section-phaser-bg: #281d16;
  --section-phaser-border: #916640;
  --section-tiles-accent: #78d8e8;
  --section-tiles-bg: #102329;
  --section-tiles-border: #3c8290;
  --section-godot-accent: #82b9ff;
  --section-godot-bg: #142035;
  --section-godot-border: #5f91d0;
  --section-aseprite-accent: #ff9f8d;
  --section-aseprite-bg: #2b191c;
  --section-aseprite-border: #b56c61;
  --section-gif-accent: #d6a7ff;
  --section-gif-bg: #24192d;
  --section-gif-border: #9a6fba;
  --section-quick-accent: #91bcff;
  --section-quick-bg: #172433;
  --section-quick-border: #4e77a8;
  --section-manual-accent: #d8aeff;
  --section-manual-bg: #241b2b;
  --section-manual-border: #815e97;
  --section-review-accent: #b9c6cc;
  --section-review-bg: #182126;
  --section-review-border: #58727e;
  --section-success-bg: #142720;
  --section-success-border: #438975;
  --radius: 14px;
  --radius-small: 9px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  min-width: 320px;
  background: var(--page);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -10%, rgba(120, 224, 194, 0.09), transparent 25rem),
    radial-gradient(circle at 95% 8%, rgba(244, 198, 93, 0.07), transparent 24rem),
    var(--page);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

body.app-shell {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.app-shell > .app-header,
body.app-shell > .global-status,
body.app-shell > .app-footer {
  flex: 0 0 auto;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select,
[tabindex] {
  outline: none;
}

:focus-visible {
  outline: 3px solid rgba(140, 184, 255, 0.78);
  outline-offset: 2px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:not(:disabled),
a[href],
select,
input[type="checkbox"] {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #07100d;
  background: var(--mint);
  border-radius: 8px;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-header {
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(200px, 360px) minmax(180px, 1fr);
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(120, 224, 194, 0.035), transparent 28%, transparent 72%, rgba(140, 184, 255, 0.035)),
    rgba(9, 13, 16, 0.9);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.16);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -0.035em;
}

.brand-mark {
  width: 35px;
  height: 35px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  padding: 4px;
  border: 1px solid rgba(120, 224, 194, 0.4);
  border-radius: 10px;
  background: var(--mint-soft);
  box-shadow: inset 0 0 18px rgba(120, 224, 194, 0.08);
}

.brand-mark span {
  border-radius: 2px;
  background: var(--mint);
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(3) {
  opacity: 0.45;
}

.brand-name {
  display: inline-flex;
  align-items: baseline;
  font-size: 20px;
}

.brand-name span {
  color: var(--mint);
}

.brand-name em {
  margin-left: 5px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-release,
.app-version {
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.24);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.08);
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-release {
  padding: 2px 6px;
  font-size: 8px;
  text-transform: uppercase;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 0 14px rgba(140, 184, 255, 0.035);
}

.language-button {
  min-width: 44px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 3px 6px;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.language-button:hover {
  color: var(--text);
  background: rgba(140, 184, 255, 0.08);
  transform: translateY(-1px);
}

.language-button.is-active,
.language-button[aria-pressed="true"] {
  color: #06100d;
  border-color: rgba(120, 224, 194, 0.7);
  background: var(--mint);
  box-shadow: 0 4px 14px rgba(120, 224, 194, 0.16);
}

.language-button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.language-flag {
  width: 16px;
  height: 11px;
  display: block;
  flex: 0 0 auto;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.app-version {
  padding: 2px 6px;
  font-size: 9px;
}

.project-title {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 5px 5px 5px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
}

.project-title label {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.project-title input {
  min-width: 0;
  width: 100%;
  height: 34px;
  padding: 0 10px;
  color: var(--text);
  border: 0;
  border-radius: 7px;
  background: var(--surface-2);
  font-weight: 700;
}

.header-actions {
  width: 100%;
  justify-self: stretch;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.project-command-group,
.history-command-group {
  display: flex;
  gap: 6px;
}

.history-command-group {
  padding-right: 7px;
  border-right: 1px solid var(--line);
}

.header-button {
  min-height: 36px;
  padding: 6px 11px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  font-size: 11px;
  font-weight: 800;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.header-button:not(:disabled):hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.36);
  background: var(--mint-soft);
  transform: translateY(-1px);
}

.control-icon::before {
  content: "";
  width: 16px;
  height: 16px;
  display: inline-block;
  flex: 0 0 auto;
  background: currentColor;
  -webkit-mask: var(--control-icon) center / contain no-repeat;
  mask: var(--control-icon) center / contain no-repeat;
  transition: transform 140ms ease;
}

.header-button.control-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding-inline: 28px;
}

.header-button.control-icon::before {
  position: absolute;
  left: 9px;
}

.control-icon:not(:disabled):hover::before {
  transform: translateY(-1px) scale(1.06);
}

.icon-save {
  --control-icon: url("assets/icons/ui-save.svg");
}

.icon-folder {
  --control-icon: url("assets/icons/ui-folder.svg");
}

.icon-sparkles {
  --control-icon: url("assets/icons/ui-sparkles.svg");
}

.icon-image {
  --control-icon: url("assets/icons/ui-image.svg");
}

.icon-grid {
  --control-icon: url("assets/icons/ui-grid.svg");
}

.icon-package {
  --control-icon: url("assets/icons/ui-package.svg");
}

.icon-checklist {
  --control-icon: url("assets/icons/ui-checklist.svg");
}

.icon-upload {
  --control-icon: url("assets/icons/ui-upload.svg");
}

.icon-download {
  --control-icon: url("assets/icons/ui-download.svg");
}

.onboarding-header-button {
  position: relative;
  color: var(--blue);
  border-color: rgba(140, 184, 255, 0.3);
  background: rgba(140, 184, 255, 0.08);
  white-space: nowrap;
}

.onboarding-header-button:not(:disabled):hover {
  color: #bed4ff;
  border-color: rgba(140, 184, 255, 0.58);
  background: rgba(140, 184, 255, 0.14);
}

.onboarding-header-button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

.onboarding-header-button.has-attention::after {
  content: "";
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(244, 198, 93, 0.12);
  animation: attention-pop 520ms ease 2;
}

@keyframes attention-pop {
  50% {
    transform: scale(1.35);
  }
}

.history-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.history-icon {
  color: var(--mint);
  font-size: 16px;
  line-height: 1;
}

.history-button:disabled .history-icon {
  color: inherit;
}

.save-status {
  max-width: 190px;
  overflow: hidden;
  color: var(--faint);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.save-status.is-saving,
.save-status.is-dirty {
  color: var(--yellow);
}

.save-status.is-saved {
  color: var(--mint);
}

.save-status.is-error {
  color: var(--red);
}

.global-status {
  min-height: 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 7px 24px;
  color: var(--muted);
  border-bottom: 1px solid rgba(43, 54, 60, 0.72);
  background: #0d1215;
  font-size: 12px;
}

.project-stats {
  color: var(--faint);
  font-family: var(--font-mono);
}

.workspace {
  width: 100%;
  min-height: 0;
  flex: 1 1 auto;
  display: grid;
  align-items: stretch;
  align-content: stretch;
  grid-template-columns: minmax(292px, 0.82fr) minmax(420px, 1.6fr) minmax(320px, 0.95fr);
  gap: 1px;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

body.is-project-loading .workspace {
  opacity: 0.62;
  filter: saturate(0.7);
  pointer-events: none;
  transition: opacity 160ms ease;
}

.panel {
  min-width: 0;
  min-height: auto;
  padding: 22px;
  background: var(--panel);
}

.library-panel,
.animation-panel {
  display: flex;
  flex-direction: column;
}

.panel-heading {
  min-height: 50px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-heading h1,
.panel-heading h2,
.export-card h3,
.dialog-heading h2 {
  margin: 0;
  color: var(--text);
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.count-badge,
.subtle-badge,
.preview-state,
.phaser-tag {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  justify-content: center;
  padding: 3px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.count-badge {
  min-width: 30px;
  color: var(--yellow);
  border-color: rgba(244, 198, 93, 0.2);
  background: var(--yellow-soft);
}

.drop-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 205px;
  padding: 22px 15px;
  text-align: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(120, 224, 194, 0.025), rgba(120, 224, 194, 0.01)),
    var(--surface);
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.drop-zone.is-dragging {
  border-color: var(--mint);
  background: var(--mint-soft);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(120, 224, 194, 0.08);
}

.drop-zone p {
  margin: 0;
}

.drop-zone .muted {
  color: var(--muted);
  font-size: 12px;
}

.drop-zone small {
  margin-top: 4px;
  color: var(--faint);
  font-size: 10px;
}

.drop-actions {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
}

.drop-actions .button {
  flex: 1 1 145px;
  margin-top: 9px;
}

.drop-actions .import-package-button,
.drop-actions .import-gif-button {
  flex-basis: 100%;
}

.drop-icon {
  width: 54px;
  height: 47px;
  display: grid;
  place-items: center;
  margin-bottom: 7px;
  color: var(--mint);
  border: 1px solid rgba(120, 224, 194, 0.26);
  border-radius: 10px 10px 13px 10px;
  background: var(--mint-soft);
  box-shadow: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.drop-icon-image::before {
  content: "";
  width: 25px;
  height: 25px;
  display: block;
  background: var(--mint);
  -webkit-mask: url("assets/icons/ui-image.svg") center / contain no-repeat;
  mask: url("assets/icons/ui-image.svg") center / contain no-repeat;
}

.drop-zone.is-dragging .drop-icon {
  transform: translateY(-3px) rotate(-2deg);
  box-shadow: none;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.button:not(:disabled):hover {
  transform: translateY(-1px);
}

.button:not(:disabled):active,
.header-button:not(:disabled):active,
.language-button:not(:disabled):active {
  transform: translateY(0) scale(0.985);
}

.button-secondary {
  margin-top: 9px;
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.button-secondary:hover {
  border-color: var(--mint);
}

.button-primary {
  color: #08120f;
  background: var(--mint);
  box-shadow: 0 7px 22px rgba(120, 224, 194, 0.13);
}

.button-primary:hover {
  background: #8ce9ce;
}

.full-button {
  width: 100%;
}

.inline-errors {
  margin-top: 12px;
  padding: 12px;
  color: #ffb3ad;
  border: 1px solid rgba(255, 121, 111, 0.3);
  border-radius: 10px;
  background: var(--red-soft);
  font-size: 12px;
}

.inline-errors-heading {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.inline-errors ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.text-button,
.icon-text-button {
  min-height: 36px;
  padding: 5px 7px;
  color: var(--muted);
  border: 0;
  background: transparent;
  font-weight: 700;
}

.text-button:hover,
.icon-text-button:hover {
  color: var(--text);
}

.danger-text,
.danger-button:hover {
  color: var(--red);
}

.icon-text-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--mint);
}

.list-toolbar {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 11px;
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

.empty-state p {
  margin: 4px 0;
}

.compact-empty {
  padding: 20px 10px 28px;
  border-top: 1px solid var(--line);
}

.empty-state-illustration {
  width: min(100%, 230px);
  height: auto;
  display: block;
  margin: 0 auto 8px;
  opacity: 0.88;
  filter: drop-shadow(0 16px 22px rgba(0, 0, 0, 0.22));
  animation: visual-reveal 320ms ease both;
}

.empty-library-illustration {
  width: min(82%, 176px);
}

.empty-glyph {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 8px;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 20px;
}

@keyframes visual-reveal {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.985);
  }
}

.sprite-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  max-height: calc(100vh - 472px);
  min-height: 0;
  margin: 0;
  padding: 0 3px 20px 0;
  list-style: none;
  overflow-y: auto;
  scrollbar-color: var(--line-strong) transparent;
}

.batch-toolbar {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 10px 0 12px;
  padding: 11px;
  border: 1px solid rgba(140, 184, 255, 0.4);
  border-radius: 11px;
  background:
    linear-gradient(135deg, rgba(140, 184, 255, 0.11), rgba(120, 224, 194, 0.055)),
    var(--surface);
  box-shadow: inset 3px 0 0 var(--blue);
}

.batch-toolbar[hidden] {
  display: none;
}

.batch-toolbar-heading,
.batch-toolbar-heading > div,
.batch-selection-actions,
.batch-toolbar-actions,
.timeline-batch-primary,
.batch-pivot-presets {
  display: flex;
  align-items: center;
  gap: 7px;
}

.batch-toolbar-heading {
  justify-content: space-between;
  gap: 12px;
}

.batch-toolbar-heading > div:first-child {
  min-width: 0;
  align-items: baseline;
  flex-wrap: wrap;
}

.batch-toolbar-heading strong {
  color: var(--blue);
  font-size: 11px;
}

.batch-toolbar-heading span,
.batch-shortcut-help {
  color: var(--muted);
  font-size: 9px;
}

.batch-selection-actions {
  flex: 0 0 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.batch-selection-actions .text-button {
  min-height: 28px;
  padding: 3px 6px;
  font-size: 9px;
}

.batch-toolbar-actions {
  flex-wrap: wrap;
}

.batch-destination-field {
  flex: 1 1 160px;
}

.batch-destination-field select {
  width: 100%;
  min-height: 34px;
  color: var(--text);
  border: 1px solid rgba(140, 184, 255, 0.32);
  border-radius: 8px;
  background: var(--surface-2);
}

.batch-action-button {
  min-height: 34px;
  padding: 6px 9px;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 9px;
  font-weight: 800;
}

.batch-action-button:not(:disabled):hover,
.batch-action-button:not(:disabled):focus-visible {
  color: var(--blue);
  border-color: rgba(140, 184, 255, 0.66);
  background: rgba(140, 184, 255, 0.1);
}

.batch-action-button.is-danger:not(:disabled):hover,
.batch-action-button.is-danger:not(:disabled):focus-visible {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.55);
  background: var(--red-soft);
}

.batch-shortcut-help {
  display: block;
  line-height: 1.45;
}

.timeline-batch-primary {
  flex-wrap: wrap;
}

.batch-duration-field {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.compact-input {
  width: 104px;
}

.compact-input input {
  min-height: 34px;
}

.sprite-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  transition: border-color 140ms ease, background 140ms ease;
}

.sprite-item:hover,
.sprite-item:focus-within {
  border-color: var(--line-strong);
  background: var(--surface-2);
}

.sprite-item.is-selected {
  border-color: var(--blue);
  background: linear-gradient(135deg, rgba(140, 184, 255, 0.14), var(--surface-2));
  box-shadow: inset 3px 0 0 var(--blue), 0 0 0 1px rgba(140, 184, 255, 0.08);
}

.sprite-item[draggable="true"] {
  cursor: grab;
}

.sprite-item[draggable="true"]:active {
  cursor: grabbing;
}

.sprite-item[draggable="true"]:hover {
  border-color: rgba(120, 224, 194, 0.38);
}

.sprite-item[draggable="true"] input {
  cursor: text;
}

.sprite-item[draggable="true"] button,
.sprite-item[draggable="true"] select {
  cursor: pointer;
}

.sprite-item[draggable="true"] .sprite-drag-handle {
  cursor: grab;
}

.sprite-item.is-library-dragging {
  opacity: 0.46;
  border-color: var(--mint);
  background: var(--mint-soft);
}

.sprite-thumb,
.frame-thumb {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background-color: #0e1417;
  background-image:
    linear-gradient(45deg, #182126 25%, transparent 25%),
    linear-gradient(-45deg, #182126 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #182126 75%),
    linear-gradient(-45deg, transparent 75%, #182126 75%);
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  background-size: 10px 10px;
}

.sprite-thumb {
  width: 58px;
  height: 58px;
}

.sprite-selection-control,
.frame-selection-control {
  position: absolute;
  z-index: 4;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.sprite-selection-control {
  top: -8px;
  right: -8px;
}

.sprite-selection-control input,
.frame-selection-control input {
  width: 19px;
  height: 19px;
  margin: 0;
  accent-color: var(--blue);
  cursor: pointer !important;
}

.sprite-drag-handle {
  position: absolute;
  z-index: 2;
  top: 4px;
  left: 4px;
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--text);
  border: 1px solid rgba(120, 224, 194, 0.36);
  border-radius: 6px;
  background: rgba(8, 17, 20, 0.86);
  cursor: grab;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.sprite-drag-handle:hover,
.sprite-drag-handle:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
  background: #101d20;
}

.sprite-drag-handle:active {
  cursor: grabbing;
}

.sprite-thumb img,
.frame-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.sprite-fields {
  min-width: 0;
}

.sprite-name-input,
.sprite-group-select {
  width: 100%;
  min-width: 0;
  color: var(--text);
  border: 1px solid transparent;
  background: transparent;
}

.sprite-name-input {
  height: 29px;
  padding: 2px 5px;
  border-radius: 6px;
  font-weight: 750;
}

.sprite-name-input:hover,
.sprite-name-input:focus {
  border-color: var(--line-strong);
  background: var(--surface-3);
}

.sprite-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
  margin: 1px 5px 5px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

.sprite-output-meta {
  margin: -1px 5px 6px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.sprite-output-meta.is-resized {
  color: var(--mint);
}

.sprite-usage {
  margin: -1px 5px 6px;
  overflow: hidden;
  color: var(--mint);
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sprite-usage.is-unused {
  color: var(--faint);
  font-weight: 600;
}

.sprite-group-select {
  height: 27px;
  padding: 1px 24px 1px 5px;
  color: var(--muted);
  border-color: var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  font-size: 11px;
}

.remove-sprite-button,
.frame-action-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--faint);
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  font-size: 18px;
}

.remove-sprite-button:hover {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.24);
  background: var(--red-soft);
}

.sprite-card-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  padding-top: 1px;
}

.sprite-action-button {
  min-height: 34px;
  padding: 6px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-2);
  font-size: 10px;
  font-weight: 800;
}

.sprite-action-button:hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.38);
}

.delete-sprite-button:hover {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.animation-tabs {
  display: flex;
  gap: 7px;
  min-height: 40px;
  margin: -5px 0 15px;
  padding: 3px 1px 7px;
  overflow-x: auto;
  scrollbar-color: var(--line-strong) transparent;
}

.animation-drop-help {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: -6px 2px 13px;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.45;
}

.animation-drop-help span {
  color: var(--mint);
  font-family: var(--font-mono);
}

.animation-tab {
  min-height: 36px;
  max-width: 190px;
  padding: 7px 13px;
  overflow: hidden;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.animation-tab[aria-selected="true"] {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.38);
  background: var(--mint-soft);
  box-shadow: inset 0 0 0 1px rgba(120, 224, 194, 0.06);
}

body.is-library-dragging .animation-tab,
body.is-library-dragging .animation-editor {
  border-color: rgba(120, 224, 194, 0.38);
  box-shadow: inset 0 0 0 1px rgba(120, 224, 194, 0.06);
}

.animation-tab.is-library-drop-target {
  color: #07120f;
  border-color: var(--mint);
  background: var(--mint);
  transform: translateY(-2px);
}

.animation-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), rgba(23, 30, 35, 0.72));
}

.animation-editor.is-library-drop-target {
  border-color: var(--mint);
  background: linear-gradient(180deg, rgba(120, 224, 194, 0.11), rgba(23, 30, 35, 0.78));
  box-shadow: inset 0 0 0 2px rgba(120, 224, 194, 0.1);
}

.animation-name-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.grow-field {
  flex: 1;
}

.field input,
.field select,
.input-with-suffix,
.animation-name-row input {
  min-width: 0;
  height: 42px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.field > input,
.field > select,
.animation-name-row input {
  width: 100%;
  padding: 7px 10px;
}

.field input:hover,
.field select:hover,
.animation-name-row input:hover {
  border-color: var(--line-strong);
}

.field-error {
  color: var(--red);
  font-size: 11px;
}

.square-button {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
  font-size: 18px;
}

.square-button:not(:disabled):hover {
  border-color: var(--line-strong);
  background: var(--surface-3);
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 13px;
}

.timeline-header strong {
  font-size: 13px;
}

.timeline-header p {
  margin: 3px 0 0;
  color: var(--faint);
  font-size: 11px;
}

.timeline-empty {
  flex: 1;
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: 220px;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 11px;
  background:
    radial-gradient(circle at 50% 35%, rgba(140, 184, 255, 0.045), transparent 48%),
    rgba(255, 255, 255, 0.008);
}

.empty-animation-illustration {
  width: min(78%, 260px);
  margin-bottom: 3px;
}

.frame-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
  gap: 10px;
  align-content: start;
  min-height: 0;
  max-height: calc(100vh - 340px);
  margin: 0;
  padding: 1px 3px 18px 1px;
  list-style: none;
  overflow-y: auto;
  scrollbar-color: var(--line-strong) transparent;
}

.frame-item {
  position: relative;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  transition: opacity 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.frame-item[draggable="true"] {
  cursor: grab;
}

.frame-item.is-dragging {
  opacity: 0.38;
  transform: scale(0.97);
}

.frame-item.is-drag-target {
  border-color: var(--mint);
  box-shadow: 0 0 0 2px rgba(120, 224, 194, 0.13);
}

.frame-item.is-library-drop-target {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(130, 170, 255, 0.18);
}

.frame-item.is-selected {
  border-color: var(--blue);
  background: linear-gradient(145deg, rgba(140, 184, 255, 0.16), var(--surface-2));
  box-shadow: inset 0 0 0 1px rgba(140, 184, 255, 0.22);
}

.frame-item.is-current {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.frame-item.is-current .frame-index {
  color: #07120e;
  background: var(--mint);
}

.frame-selection-control {
  top: 7px;
  right: 7px;
  width: 30px;
  height: 30px;
  touch-action: manipulation;
}

.frame-selection-control input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  border: 2px solid rgba(223, 232, 236, 0.78);
  border-radius: 6px;
  background-color: rgba(10, 17, 20, 0.94);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 18px 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease;
}

.frame-selection-control:hover input {
  border-color: var(--blue);
  background-color: #17232b;
}

.frame-selection-control input:checked {
  border-color: var(--blue);
  background-color: var(--blue);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 12.5 4.2 4.2L19 7' fill='none' stroke='%23071116' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  box-shadow: 0 2px 9px rgba(0, 0, 0, 0.34), 0 0 0 2px rgba(140, 184, 255, 0.16);
}

.frame-selection-control input:focus-visible {
  outline: 3px solid rgba(140, 184, 255, 0.78);
  outline-offset: 2px;
}

.frame-index {
  position: absolute;
  z-index: 1;
  top: 13px;
  left: 13px;
  min-width: 23px;
  height: 20px;
  display: grid;
  place-items: center;
  padding: 0 5px;
  color: #0b1210;
  border-radius: 5px;
  background: var(--yellow);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.26);
}

.frame-thumb {
  width: 100%;
  aspect-ratio: 1.25 / 1;
}

.frame-name {
  margin: 8px 0 2px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.frame-dimensions {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

.frame-duration-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 52px;
  gap: 5px;
  align-items: center;
  margin-top: 6px;
  color: var(--muted);
  font-size: 9px;
}

.frame-duration-field input {
  width: 100%;
  min-height: 28px;
  padding: 4px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
}

.frame-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 29px));
  justify-content: flex-end;
  gap: 2px;
  margin-top: 5px;
}

.frame-action-button {
  width: 100%;
  min-width: 0;
  height: 29px;
  font-size: 13px;
}

.frame-action-button:not(:disabled):hover {
  color: var(--mint);
  border-color: var(--line-strong);
  background: var(--surface-3);
}

.duplicate-frame-button:not(:disabled):hover {
  color: var(--blue);
  border-color: rgba(130, 170, 255, 0.34);
  background: rgba(130, 170, 255, 0.1);
}

.remove-frame-button:not(:disabled):hover {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.preview-panel {
  background: #0f1519;
}

.preview-state.is-playing {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.25);
  background: var(--mint-soft);
}

.preview-stage {
  position: relative;
  width: 100%;
  min-height: 220px;
  aspect-ratio: 8 / 5;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: #0a0f12;
  background-image:
    linear-gradient(45deg, #131c21 25%, transparent 25%),
    linear-gradient(-45deg, #131c21 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #131c21 75%),
    linear-gradient(-45deg, transparent 75%, #131c21 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
  box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.2);
}

.preview-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.preview-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  cursor: crosshair;
}

.preview-empty {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 3px;
  color: var(--faint);
  text-align: center;
  font-size: 12px;
}

.preview-empty img {
  width: min(62%, 190px);
  height: auto;
  margin-bottom: -2px;
  opacity: 0.58;
  filter: drop-shadow(0 15px 22px rgba(0, 0, 0, 0.24));
  animation: visual-reveal 320ms ease both;
}

.current-frame-label {
  min-height: 20px;
  margin: 9px 0 4px;
  overflow: hidden;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.playback-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 7px 0 14px;
}

.play-button {
  min-width: 136px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--text);
  border: 1px solid rgba(120, 224, 194, 0.28);
  border-radius: 9px;
  background: var(--mint-soft);
  font-weight: 800;
}

.play-button:not(:disabled):hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.56);
}

.play-symbol {
  color: var(--mint);
  font-size: 11px;
}

.playback-settings {
  display: grid;
  grid-template-columns: minmax(112px, 0.72fr) minmax(145px, 1fr);
  gap: 10px;
  margin-bottom: 15px;
}

.alignment-card {
  margin-bottom: 15px;
  padding: 13px;
  border: 1px solid rgba(140, 184, 255, 0.2);
  border-radius: 11px;
  background: rgba(140, 184, 255, 0.055);
}

.alignment-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.alignment-kicker {
  margin: 0 0 3px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.alignment-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.2;
}

.alignment-frame-chip {
  flex: 0 0 auto;
  max-width: 50%;
  overflow: hidden;
  padding: 4px 8px;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.24);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.09);
  font-family: var(--font-mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alignment-help {
  margin: 8px 0 11px;
  color: var(--muted);
  font-size: 11px;
}

.alignment-coordinate-grid,
.alignment-actions,
.alignment-onion-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.alignment-card .input-with-suffix {
  height: 38px;
}

.alignment-card .input-with-suffix span {
  font-size: 11px;
}

.alignment-actions {
  margin-top: 9px;
}

.alignment-action {
  min-height: 38px;
  margin: 0;
  padding: 7px 9px;
  white-space: nowrap;
  font-size: 11px;
}

.alignment-onion-grid {
  align-items: stretch;
  margin-top: 9px;
}

.alignment-toggle-row {
  min-height: 58px;
  padding: 8px 9px;
}

.alignment-card .alignment-toggle-row strong,
.alignment-card .alignment-toggle-row small {
  font-size: 11px;
}

.alignment-card .switch input:disabled + span {
  opacity: 0.46;
}

.alignment-opacity {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
}

.alignment-opacity-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.alignment-opacity output {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
}

.alignment-opacity input[type="range"] {
  width: 100%;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--blue);
}

.alignment-opacity input[type="range"]:not(:disabled) {
  cursor: pointer;
}

.alignment-toggle-row:has(input:disabled),
.alignment-opacity:has(input:disabled) {
  opacity: 0.52;
}

.input-with-suffix {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.input-with-suffix input {
  width: 100%;
  height: 100%;
  padding: 7px 2px 7px 10px;
  border: 0;
  background: transparent;
}

.input-with-suffix span {
  padding: 0 9px 0 5px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

.toggle-row,
.check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text);
}

.toggle-row {
  min-height: 64px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
}

.toggle-row strong,
.check-row strong {
  display: block;
  font-size: 11px;
}

.toggle-row small,
.check-row small {
  display: block;
  margin-top: 2px;
  color: var(--faint);
  font-size: 9px;
}

.switch {
  position: relative;
  flex: 0 0 auto;
  width: 38px;
  height: 22px;
}

.switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.switch span {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-3);
  transition: background 140ms ease, border 140ms ease;
}

.switch span::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 140ms ease, background 140ms ease;
}

.switch input:checked + span {
  border-color: rgba(120, 224, 194, 0.5);
  background: var(--mint-soft);
}

.switch input:checked + span::before {
  background: var(--mint);
  transform: translateX(16px);
}

.switch input:focus-visible + span {
  outline: 3px solid rgba(140, 184, 255, 0.78);
  outline-offset: 2px;
}

.export-suite {
  margin-top: 16px;
}

.export-module-list {
  display: grid;
  gap: 8px;
}

.export-module-spritesheet {
  --module-accent: var(--section-spritesheet-accent);
  --module-bg: var(--section-spritesheet-bg);
  --module-border: var(--section-spritesheet-border);
  --module-soft: rgba(168, 223, 122, 0.1);
  --module-hover: rgba(168, 223, 122, 0.09);
  --module-fill: rgba(168, 223, 122, 0.17);
}

.export-module-phaser {
  --module-accent: var(--section-phaser-accent);
  --module-bg: var(--section-phaser-bg);
  --module-border: var(--section-phaser-border);
  --module-soft: rgba(232, 176, 122, 0.1);
  --module-hover: rgba(232, 176, 122, 0.09);
  --module-fill: rgba(232, 176, 122, 0.18);
}

.export-module-tiles {
  --module-accent: var(--section-tiles-accent);
  --module-bg: var(--section-tiles-bg);
  --module-border: var(--section-tiles-border);
  --module-soft: rgba(120, 216, 232, 0.1);
  --module-hover: rgba(120, 216, 232, 0.09);
  --module-fill: rgba(120, 216, 232, 0.17);
}

.export-module-godot {
  --module-accent: var(--section-godot-accent);
  --module-bg: var(--section-godot-bg);
  --module-border: var(--section-godot-border);
  --module-soft: rgba(130, 185, 255, 0.1);
  --module-hover: rgba(130, 185, 255, 0.09);
  --module-fill: rgba(130, 185, 255, 0.16);
}

.export-module-aseprite {
  --module-accent: var(--section-aseprite-accent);
  --module-bg: var(--section-aseprite-bg);
  --module-border: var(--section-aseprite-border);
  --module-soft: rgba(255, 159, 141, 0.1);
  --module-hover: rgba(255, 159, 141, 0.09);
  --module-fill: rgba(255, 159, 141, 0.16);
}

.export-module-gif {
  --module-accent: var(--section-gif-accent);
  --module-bg: var(--section-gif-bg);
  --module-border: var(--section-gif-border);
  --module-soft: rgba(214, 167, 255, 0.1);
  --module-hover: rgba(214, 167, 255, 0.09);
  --module-fill: rgba(214, 167, 255, 0.16);
}

.export-module {
  overflow: hidden;
  border: 1px solid var(--module-border);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--module-bg), rgba(17, 23, 27, 0.96));
  box-shadow: inset 3px 0 0 var(--module-accent);
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.export-module-heading {
  margin: 0;
}

.export-module-toggle {
  width: 100%;
  min-height: 68px;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--text);
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.export-module-toggle:hover {
  background: var(--module-hover);
}

.export-module-toggle:focus-visible {
  outline: 3px solid var(--module-accent);
  outline-offset: -3px;
}

.export-module-index {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
}

.export-module-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--module-border);
  border-radius: 10px;
  background: var(--module-soft);
}

.export-module-icon svg {
  width: 22px;
  height: 22px;
  fill: var(--module-fill);
  stroke: var(--module-accent);
  stroke-width: 1.7;
}

.export-module-tiles .export-module-icon {
  border-color: var(--module-border);
  background: var(--module-soft);
}

.export-module-tiles .export-module-icon svg {
  fill: var(--module-fill);
  stroke: var(--module-accent);
  stroke-width: 1.2;
}

.export-module-gif .export-module-icon svg {
  fill: var(--module-fill);
  stroke: var(--module-accent);
  stroke-width: 1.45;
}

.export-module-godot .export-module-icon svg,
.export-module-aseprite .export-module-icon svg,
.export-module-spritesheet .export-module-icon svg {
  fill: var(--module-fill);
  stroke: var(--module-accent);
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.export-module-copy {
  min-width: 0;
}

.export-module-copy strong,
.export-module-copy small {
  display: block;
}

.export-module-copy strong {
  font-size: 13px;
}

.export-module-copy small {
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.export-module-formats {
  display: inline-block;
  padding: 3px 5px;
  color: var(--module-accent);
  border: 1px solid var(--module-border);
  border-radius: 5px;
  background: var(--module-soft);
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 800;
}

.export-module-chevron {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px solid var(--module-border);
  border-radius: 8px;
  font-size: 16px;
  transition: transform 180ms ease, color 180ms ease, border-color 180ms ease;
}

.export-module-toggle[aria-expanded="true"] .export-module-chevron {
  color: var(--module-accent);
  border-color: var(--module-border);
  transform: rotate(180deg);
}

.export-module-tiles .export-module-toggle[aria-expanded="true"] .export-module-chevron {
  color: var(--module-accent);
  border-color: var(--module-border);
}

.export-module:has(.export-module-toggle[aria-expanded="true"]) {
  border-color: var(--module-border);
  background: linear-gradient(180deg, var(--module-bg), rgba(11, 16, 19, 0.97));
  box-shadow: inset 3px 0 0 var(--module-accent), 0 14px 34px rgba(0, 0, 0, 0.16);
}

.export-module-tiles:has(.export-module-toggle[aria-expanded="true"]) {
  border-color: var(--module-border);
  background: linear-gradient(180deg, var(--module-bg), rgba(11, 16, 19, 0.97));
}

.export-module:has(.export-module-toggle[aria-expanded="true"]) .export-module-copy strong {
  color: var(--module-accent);
}

.export-module-tiles:has(.export-module-toggle[aria-expanded="true"]) .export-module-copy strong {
  color: var(--module-accent);
}

.export-module-body:empty {
  display: none;
}

.export-suite-note {
  margin: 8px 3px 0;
  color: var(--faint);
  font-size: 9px;
  line-height: 1.45;
}

.export-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.export-module-panel {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--module-border);
  border-radius: 0;
  background: linear-gradient(180deg, var(--module-soft), rgba(9, 13, 16, 0.22));
  box-shadow: none;
}

.export-module-tiles .export-module-panel {
  border-top-color: var(--module-border);
  background: linear-gradient(180deg, var(--module-soft), rgba(9, 13, 16, 0.22));
}

.target-format-notice {
  margin: 0 0 12px;
  padding: 11px 12px;
  border: 1px solid var(--module-border);
  border-radius: 10px;
  background: var(--module-soft);
}

.target-format-notice strong,
.target-format-notice p {
  display: block;
  margin: 0;
}

.target-format-notice strong {
  color: var(--module-accent);
  font-size: 11px;
}

.target-format-notice p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.5;
}

.spritesheet-export-panel {
  padding: 16px;
  border-top: 1px solid var(--section-spritesheet-border);
  background: linear-gradient(180deg, rgba(168, 223, 122, 0.09), rgba(9, 13, 16, 0.24));
}

.spritesheet-export-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.spritesheet-export-heading h3,
.spritesheet-export-heading p {
  margin: 0;
}

.spritesheet-export-heading .eyebrow {
  margin-bottom: 5px;
  color: var(--section-spritesheet-accent);
}

.spritesheet-format-tag {
  padding: 4px 8px;
  color: var(--section-spritesheet-accent);
  border: 1px solid var(--section-spritesheet-border);
  border-radius: 999px;
  background: rgba(168, 223, 122, 0.1);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 900;
}

.spritesheet-export-description,
.spritesheet-export-note,
.spritesheet-export-status,
.spritesheet-export-preview-meta {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.spritesheet-source-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 0;
  padding: 11px 12px;
  border: 1px solid rgba(168, 223, 122, 0.24);
  border-radius: 10px;
  background: rgba(168, 223, 122, 0.07);
}

.spritesheet-source-card small,
.spritesheet-source-card strong {
  display: block;
}

.spritesheet-source-card small {
  color: var(--faint);
  font-size: 8px;
}

.spritesheet-source-card strong {
  margin-top: 2px;
  font-size: 12px;
}

.spritesheet-source-card > span {
  color: var(--section-spritesheet-accent);
  font-family: var(--font-mono);
  font-size: 9px;
  text-align: right;
}

.spritesheet-export-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.spritesheet-export-custom-size {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
  margin-top: 10px;
}

.spritesheet-export-custom-size[hidden] {
  display: none;
}

.spritesheet-export-custom-size > span:not(.spritesheet-custom-unit) {
  padding-bottom: 11px;
  color: var(--muted);
  font-weight: 900;
}

.spritesheet-custom-unit {
  padding-bottom: 11px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

.spritesheet-export-advanced {
  margin-top: 10px;
  border: 1px solid rgba(168, 223, 122, 0.2);
  border-radius: 10px;
  background: rgba(168, 223, 122, 0.045);
}

.spritesheet-export-advanced summary {
  padding: 10px 12px;
  color: var(--section-spritesheet-accent);
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
}

.spritesheet-export-advanced summary:focus-visible {
  outline: 3px solid rgba(168, 223, 122, 0.6);
  outline-offset: 2px;
}

.spritesheet-export-controls-advanced {
  padding: 0 12px 12px;
}

.spritesheet-quality-field {
  grid-column: 1 / -1;
}

.spritesheet-export-preview {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid rgba(168, 223, 122, 0.22);
  border-radius: 10px;
  background: rgba(8, 12, 14, 0.7);
}

.spritesheet-export-preview-stage {
  min-height: 170px;
  display: grid;
  place-items: center;
  padding: 10px;
  background-color: #0d1417;
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.035) 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.spritesheet-export-preview-stage canvas {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
}

.spritesheet-export-preview-meta {
  min-height: 18px;
  margin: 0;
  padding: 8px 10px;
  border-top: 1px solid rgba(168, 223, 122, 0.15);
  text-align: center;
}

.spritesheet-export-note {
  margin: 10px 2px 0;
}

.spritesheet-export-button {
  width: 100%;
  margin-top: 9px;
  color: #10170d;
  background: var(--section-spritesheet-accent);
}

.spritesheet-export-status {
  min-height: 16px;
  margin: 8px 2px 0;
  text-align: center;
}

.gif-export-panel {
  padding: 16px;
  border-top: 1px solid var(--section-gif-border);
  background: linear-gradient(180deg, rgba(214, 167, 255, 0.1), rgba(9, 13, 16, 0.24));
}

.gif-export-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.gif-export-heading h3,
.gif-export-heading p {
  margin: 0;
}

.gif-export-heading .eyebrow {
  margin-bottom: 5px;
  color: var(--section-gif-accent);
}

.gif-format-tag {
  padding: 4px 8px;
  color: var(--section-gif-accent);
  border: 1px solid var(--section-gif-border);
  border-radius: 999px;
  background: rgba(214, 167, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 900;
}

.gif-export-description,
.gif-palette-note,
.gif-export-status {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.gif-animation-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 0;
  padding: 11px 12px;
  border: 1px solid rgba(214, 167, 255, 0.24);
  border-radius: 10px;
  background: rgba(214, 167, 255, 0.07);
}

.gif-animation-card small,
.gif-animation-card strong {
  display: block;
}

.gif-animation-card small {
  color: var(--faint);
  font-size: 8px;
}

.gif-animation-card strong {
  margin-top: 2px;
  font-size: 12px;
}

.gif-animation-card > span {
  color: var(--section-gif-accent);
  font-family: var(--font-mono);
  font-size: 9px;
}

.gif-export-controls {
  display: grid;
  grid-template-columns: minmax(120px, 0.7fr) minmax(0, 1.3fr);
  gap: 10px;
  align-items: stretch;
}

.gif-loop-option {
  margin: 0;
}

.gif-export-button {
  width: 100%;
  margin-top: 9px;
  background: var(--section-gif-accent);
}

.gif-export-status {
  min-height: 16px;
  margin: 8px 2px 0;
  text-align: center;
}

.export-module-panel .export-card-heading .eyebrow {
  color: var(--module-accent);
}

.export-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.export-card-description {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.export-profile-card,
.export-manual-card {
  overflow: hidden;
  border-radius: 10px;
}

.export-profile-card {
  --section-accent: var(--section-quick-accent);
  margin-bottom: 8px;
  border: 1px solid var(--section-quick-border);
  background: var(--section-quick-bg);
  box-shadow: inset 3px 0 var(--section-accent);
}

.export-manual-card {
  --section-accent: var(--section-manual-accent);
  margin-bottom: 15px;
  border: 1px solid var(--section-manual-border);
  background: var(--section-manual-bg);
  box-shadow: inset 3px 0 var(--section-accent);
}

.export-profile-card[open] {
  background: linear-gradient(145deg, #1a2b3e, var(--section-quick-bg) 62%);
}

.export-manual-card[open] {
  background: linear-gradient(145deg, #2e2039, var(--section-manual-bg) 62%);
}

.export-profile-toggle,
.export-manual-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 58px;
  padding: 11px 12px;
  cursor: pointer;
  list-style: none;
  transition: background 160ms ease;
}

.export-profile-toggle::-webkit-details-marker,
.export-manual-toggle::-webkit-details-marker {
  display: none;
}

.export-profile-toggle:hover {
  background: rgba(145, 188, 255, 0.09);
}

.export-manual-toggle:hover {
  background: rgba(216, 174, 255, 0.09);
}

.export-profile-toggle:focus-visible {
  outline: 2px solid var(--section-quick-accent);
  outline-offset: -3px;
}

.export-manual-toggle:focus-visible {
  outline: 2px solid var(--section-manual-accent);
  outline-offset: -3px;
}

.export-profile-title,
.export-manual-title {
  min-width: 0;
}

.export-profile-title strong,
.export-profile-title small,
.export-manual-title strong,
.export-manual-title small {
  display: block;
}

.export-profile-title strong,
.export-manual-title strong {
  font-size: 14px;
}

.export-profile-title strong {
  color: var(--section-quick-accent);
}

.export-manual-title strong {
  color: var(--section-manual-accent);
}

.export-profile-title strong span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.export-profile-title small,
.export-manual-title small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.export-toggle-meta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.export-level-badge {
  order: -1;
  padding: 3px 6px;
  color: var(--section-quick-accent);
  border: 1px solid var(--section-quick-border);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.07);
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 800;
  text-transform: uppercase;
}

.export-level-badge.is-technical {
  color: var(--section-manual-accent);
  border-color: var(--section-manual-border);
  background: rgba(216, 174, 255, 0.09);
}

.export-profile-chevron,
.export-manual-chevron {
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 16px;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 160ms ease;
}

.export-profile-chevron {
  color: var(--section-quick-accent);
}

.export-manual-chevron {
  color: var(--section-manual-accent);
}

.export-profile-card[open] .export-profile-chevron,
.export-manual-card[open] .export-manual-chevron {
  transform: rotate(180deg);
}

.export-profile-content {
  padding: 11px 12px 12px;
  border-top: 1px solid var(--section-quick-border);
}

.export-manual-content {
  padding: 11px 12px 12px;
  border-top: 1px solid var(--section-manual-border);
}

.export-profile-explanation,
.export-manual-explanation {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.export-profile-explanation strong,
.export-manual-explanation strong {
  color: var(--text);
}

.export-profile-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.export-profile-select-field {
  min-width: 0;
}

.export-profile-apply {
  width: 100%;
  min-height: 42px;
}

.export-profile-summary {
  min-height: 15px;
  margin: 8px 2px 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.4;
}

.export-profile-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.export-profile-action {
  width: 100%;
  min-height: 34px;
  margin: 0;
  padding: 5px 8px;
  font-size: 10px;
}

.export-profile-actions .button-secondary {
  grid-column: 1 / -1;
  margin-top: 0;
}

.uniform-resize-card {
  margin-bottom: 15px;
  padding: 12px;
  border: 1px solid rgba(129, 94, 151, 0.72);
  border-radius: 10px;
  background: rgba(216, 174, 255, 0.055);
}

.uniform-resize-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 11px;
}

.uniform-resize-heading strong {
  display: block;
  font-size: 12px;
}

.uniform-resize-heading small {
  display: block;
  margin-top: 2px;
  color: var(--faint);
  font-size: 9px;
}

.size-chip {
  padding: 3px 7px;
  color: var(--section-manual-accent);
  border: 1px solid var(--section-manual-border);
  border-radius: 999px;
  background: rgba(216, 174, 255, 0.09);
  font-family: var(--font-mono);
  font-size: 9px;
}

.uniform-resize-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}

.uniform-size-help {
  margin: 8px 2px 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.45;
}

.uniform-size-help strong {
  color: var(--muted);
}

.compact-button {
  min-height: 42px;
  margin: 0;
  white-space: nowrap;
  font-size: 10px;
}

.uniform-custom-fields,
.resize-dimensions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 8px;
  align-items: end;
  margin-top: 10px;
}

.dimension-times {
  display: grid;
  min-height: 42px;
  place-items: center;
  color: var(--faint);
  font-family: var(--font-mono);
}

.uniform-fit-field {
  margin-top: 10px;
}

.resampling-selector {
  min-width: 0;
  margin: 12px 0 0;
  padding: 0;
  border: 0;
}

.resampling-selector legend {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.resampling-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.resampling-option {
  position: relative;
  min-width: 0;
}

.resampling-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.resampling-option > span {
  min-height: 54px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

.resampling-option strong,
.resampling-option small {
  display: block;
}

.resampling-option strong {
  font-size: 12px;
}

.resampling-option small {
  margin-top: 2px;
  color: var(--faint);
  font-size: 11px;
}

.resampling-option input:checked + span {
  color: var(--section-manual-accent);
  border-color: var(--section-manual-border);
  background: rgba(216, 174, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(216, 174, 255, 0.08);
}

.resampling-option input:focus-visible + span {
  outline: 3px solid rgba(216, 174, 255, 0.8);
  outline-offset: 2px;
}

.resampling-hint {
  min-height: 32px;
  margin: 7px 2px 0;
  color: var(--faint);
  font-size: 11px;
}

.uniform-size-summary {
  min-height: 15px;
  margin: 9px 0 0;
  color: var(--faint);
  font-size: 9px;
}

.export-card h3 {
  font-size: 16px;
}

.phaser-tag {
  color: var(--section-phaser-accent);
  border-color: var(--section-phaser-border);
  background: rgba(232, 176, 122, 0.1);
}

.phaser-tag.is-tiled {
  color: var(--section-tiles-accent);
  border-color: var(--section-tiles-border);
  background: rgba(120, 216, 232, 0.09);
}

.phaser-tag.is-godot {
  color: var(--section-godot-accent);
  border-color: var(--section-godot-border);
  background: rgba(130, 185, 255, 0.1);
}

.phaser-tag.is-aseprite {
  color: var(--section-aseprite-accent);
  border-color: var(--section-aseprite-border);
  background: rgba(255, 159, 141, 0.1);
}

.export-options {
  display: grid;
  grid-template-columns: minmax(90px, 0.68fr) minmax(130px, 1fr);
  gap: 10px;
}

.tiled-grid-settings {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--section-tiles-border);
  border-radius: 10px;
  background: rgba(120, 216, 232, 0.055);
}

.tiled-grid-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 11px;
}

.tiled-grid-heading strong,
.tiled-grid-heading small {
  display: block;
}

.tiled-grid-heading strong {
  color: var(--text);
  font-size: 12px;
}

.tiled-grid-heading small,
.tiled-columns-field small {
  margin-top: 3px;
  color: var(--faint);
  font-size: 9px;
  line-height: 1.45;
}

.tiled-badge {
  flex: 0 0 auto;
  padding: 3px 7px;
  color: var(--section-tiles-accent);
  border: 1px solid var(--section-tiles-border);
  border-radius: 999px;
  background: rgba(120, 216, 232, 0.08);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
}

.tiled-columns-field small {
  display: block;
}

.tiled-seam-protection {
  margin-top: 11px;
  padding: 10px;
  border: 1px solid var(--section-tiles-border);
  border-radius: 9px;
  background: rgba(120, 216, 232, 0.055);
}

.tiled-seam-protection strong {
  color: var(--section-tiles-accent);
  font-size: 10px;
}

.tiled-seam-protection p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.5;
}

.help-steps {
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.atlas-limit-hint {
  display: block;
  margin: 4px 2px 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.4;
}

.atlas-custom-limit-field {
  display: grid;
  gap: 5px;
  min-width: 0;
  margin-top: 7px;
  padding: 8px 9px;
  border: 1px dashed rgba(244, 198, 93, 0.28);
  border-radius: 8px;
  background: rgba(244, 198, 93, 0.045);
}

.atlas-custom-limit-field[hidden] {
  display: none;
}

.atlas-custom-limit-field label {
  color: var(--text);
  font-size: 10px;
  font-weight: 800;
}

.atlas-custom-limit-field small {
  display: block;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.4;
}

.atlas-limit-warning {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  min-width: 0;
  margin-top: 7px;
  padding: 12px;
  color: var(--text);
  border: 2px solid rgba(244, 198, 93, 0.48);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(244, 198, 93, 0.12), rgba(255, 121, 111, 0.06)),
    var(--surface);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
  font-size: 12px;
  line-height: 1.5;
}

.atlas-limit-warning-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--page);
  border-radius: 999px;
  background: var(--yellow);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
}

.atlas-limit-warning-copy,
.atlas-limit-warning-copy strong,
.atlas-limit-warning-copy > span {
  display: block;
  min-width: 0;
}

.atlas-limit-warning-copy strong {
  color: var(--yellow);
  font-size: 13px;
}

.atlas-limit-warning-copy > span {
  margin-top: 4px;
}

.atlas-output-choice-group {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  min-width: 0;
  margin: 2px 0 0;
  padding: 11px 0 0;
  border: 0;
  border-top: 1px solid rgba(244, 198, 93, 0.24);
}

.atlas-output-choice-group legend {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0 0 8px;
  color: var(--text);
  font-size: 12px;
  font-weight: 850;
}

.atlas-output-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  min-width: 0;
  padding: 11px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: rgba(9, 13, 16, 0.38);
  cursor: pointer;
  transition:
    border-color 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
}

.atlas-output-choice:hover {
  border-color: var(--muted);
}

.atlas-output-choice:focus-within {
  outline: 3px solid rgba(140, 184, 255, 0.42);
  outline-offset: 2px;
}

.atlas-output-choice.is-recommended:has(input:checked) {
  border-color: rgba(120, 224, 194, 0.68);
  background: rgba(120, 224, 194, 0.1);
  box-shadow: inset 3px 0 0 var(--mint);
}

.atlas-output-choice.is-experimental:has(input:checked) {
  border-color: rgba(255, 121, 111, 0.72);
  background: rgba(255, 121, 111, 0.1);
  box-shadow: inset 3px 0 0 var(--red);
}

.atlas-output-choice input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--mint);
}

.atlas-output-choice.is-experimental input {
  accent-color: var(--red);
}

.atlas-output-choice-copy,
.atlas-output-choice-title {
  display: block;
  min-width: 0;
}

.atlas-output-choice-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.atlas-output-choice-title strong {
  color: var(--text);
  font-size: 13px;
}

.atlas-output-choice-badge {
  padding: 2px 6px;
  color: var(--mint);
  border: 1px solid rgba(120, 224, 194, 0.36);
  border-radius: 999px;
  background: rgba(120, 224, 194, 0.08);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.atlas-output-choice.is-experimental .atlas-output-choice-badge {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.4);
  background: rgba(255, 121, 111, 0.08);
}

.atlas-output-choice small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.atlas-output-danger {
  display: grid;
  grid-column: 1 / -1;
  gap: 3px;
  margin: 1px 0 0;
  padding: 10px 11px;
  color: #ffc1bc;
  border: 1px solid rgba(255, 121, 111, 0.42);
  border-radius: 8px;
  background: rgba(255, 121, 111, 0.08);
  font-size: 12px;
  line-height: 1.5;
}

.atlas-output-danger strong {
  color: var(--red);
  font-size: 13px;
}

.spritesheet-max-size-field small {
  display: block;
  margin-top: 4px;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.4;
}

.spritesheet-limit-warning {
  grid-column: 1 / -1;
  margin-top: 0;
}

.extrusion-field {
  margin-top: 10px;
}

.extrusion-hint {
  display: block;
  margin: 0 2px;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.4;
}

.check-row {
  justify-content: flex-start;
  margin: 13px 0;
}

.check-row input {
  width: 17px;
  height: 17px;
  accent-color: var(--mint);
}

.preflight-disclosure {
  overflow: hidden;
  margin: 13px 0;
  border: 1px solid var(--section-review-border);
  border-radius: 10px;
  background: var(--section-review-bg);
  box-shadow: inset 3px 0 var(--section-review-accent);
}

.preflight-disclosure-toggle {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 9px;
  padding: 9px 11px;
  color: var(--text);
  text-align: left;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.preflight-disclosure-toggle:hover {
  background: rgba(185, 198, 204, 0.07);
}

.preflight-disclosure-toggle:focus-visible {
  outline: 3px solid rgba(185, 198, 204, 0.82);
  outline-offset: -3px;
}

.preflight-disclosure-copy small,
.preflight-disclosure-copy strong {
  display: block;
}

.preflight-disclosure-copy small {
  margin-bottom: 2px;
  color: var(--section-review-accent);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preflight-disclosure-copy strong {
  font-size: 12px;
}

.preflight-compact-status {
  max-width: 150px;
  padding: 4px 7px;
  overflow: hidden;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preflight-compact-status[data-state="checking"],
.preflight-compact-status[data-state="pending"] {
  color: var(--blue);
  border-color: rgba(140, 184, 255, 0.28);
  background: rgba(140, 184, 255, 0.08);
}

.preflight-compact-status[data-state="ok"] {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.3);
  background: var(--mint-soft);
}

.preflight-compact-status[data-state="warning"] {
  color: var(--yellow);
  border-color: rgba(244, 198, 93, 0.3);
  background: var(--yellow-soft);
}

.preflight-compact-status[data-state="error"] {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.preflight-disclosure-chevron {
  color: var(--section-review-accent);
  font-size: 16px;
  transition: transform 160ms ease, color 160ms ease;
}

.preflight-disclosure-toggle[aria-expanded="true"] .preflight-disclosure-chevron {
  color: var(--section-review-accent);
  transform: rotate(180deg);
}

.preflight-panel {
  margin: 0;
  padding: 12px;
  border: 0;
  border-top: 1px solid var(--section-review-border);
  border-radius: 0;
  background: var(--section-review-bg);
  transition: border-color 140ms ease, background 140ms ease;
}

.preflight-panel.is-pending,
.preflight-panel.is-checking {
  border-color: rgba(140, 184, 255, 0.32);
  background: rgba(140, 184, 255, 0.055);
}

.preflight-panel.is-ok {
  border-color: var(--section-success-border);
  background: var(--section-success-bg);
}

.preflight-panel.is-warning {
  border-color: rgba(244, 198, 93, 0.36);
  background: rgba(244, 198, 93, 0.055);
}

.preflight-panel.is-error {
  border-color: rgba(255, 121, 111, 0.4);
  background: rgba(255, 121, 111, 0.055);
}

.preflight-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.preflight-kicker {
  margin: 0 0 2px;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preflight-heading h4 {
  margin: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.25;
}

.preflight-badge {
  flex: 0 0 auto;
  max-width: 48%;
  padding: 3px 8px;
  overflow: hidden;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preflight-panel.is-pending .preflight-badge,
.preflight-panel.is-checking .preflight-badge {
  color: var(--blue);
  border-color: rgba(140, 184, 255, 0.28);
  background: rgba(140, 184, 255, 0.1);
}

.preflight-panel.is-checking .preflight-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 5px;
  border: 1px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -1px;
  animation: preflight-spin 700ms linear infinite;
}

.preflight-panel.is-ok .preflight-badge {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.3);
  background: var(--mint-soft);
}

.preflight-panel.is-warning .preflight-badge {
  color: var(--yellow);
  border-color: rgba(244, 198, 93, 0.3);
  background: var(--yellow-soft);
}

.preflight-panel.is-error .preflight-badge {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.preflight-summary {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.preflight-power-option {
  align-items: flex-start;
  min-height: 58px;
  margin: 10px 0 0;
  padding: 9px 10px;
  border: 1px solid var(--section-review-border);
  border-radius: 9px;
  background: rgba(185, 198, 204, 0.055);
  transition: border-color 140ms ease, background 140ms ease;
}

.preflight-power-option:hover {
  border-color: var(--section-review-accent);
  background: rgba(185, 198, 204, 0.09);
}

.preflight-power-option input {
  flex: 0 0 auto;
  margin-top: 2px;
  accent-color: var(--section-review-accent);
}

.preflight-power-option span {
  min-width: 0;
}

.preflight-power-option strong {
  color: var(--text);
  line-height: 1.3;
}

.preflight-power-option small {
  line-height: 1.45;
}

.preflight-power-option input:checked + span strong {
  color: var(--section-review-accent);
}

.atlas-estimate {
  min-height: 144px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(9, 13, 16, 0.28);
  transition: border-color 140ms ease, background 140ms ease;
}

.atlas-estimate.is-checking {
  border-color: rgba(140, 184, 255, 0.28);
  background: rgba(140, 184, 255, 0.045);
}

.atlas-estimate.is-good {
  border-color: rgba(120, 224, 194, 0.28);
  background: rgba(120, 224, 194, 0.04);
}

.atlas-estimate.is-tight {
  border-color: rgba(244, 198, 93, 0.32);
  background: rgba(244, 198, 93, 0.045);
}

.atlas-estimate.is-overflow,
.atlas-estimate.is-unsafe {
  border-color: rgba(255, 121, 111, 0.34);
  background: rgba(255, 121, 111, 0.045);
}

.atlas-estimate.is-unavailable {
  border-color: var(--line);
  background: rgba(111, 124, 129, 0.045);
}

.atlas-estimate-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
}

.atlas-estimate-heading h5 {
  margin: 0;
  color: var(--text);
  font-size: 12px;
  line-height: 1.25;
}

.atlas-estimate-limit {
  flex: 0 1 auto;
  padding: 2px 7px;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
}

.atlas-estimate.is-checking .atlas-estimate-limit {
  color: var(--blue);
  border-color: rgba(140, 184, 255, 0.28);
  background: rgba(140, 184, 255, 0.1);
}

.atlas-estimate.is-good .atlas-estimate-limit {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.28);
  background: var(--mint-soft);
}

.atlas-estimate.is-tight .atlas-estimate-limit {
  color: var(--yellow);
  border-color: rgba(244, 198, 93, 0.28);
  background: var(--yellow-soft);
}

.atlas-estimate.is-overflow .atlas-estimate-limit,
.atlas-estimate.is-unsafe .atlas-estimate-limit {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.3);
  background: var(--red-soft);
}

.atlas-estimate-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 9px 0 0;
}

.atlas-estimate-metric {
  min-width: 0;
  padding: 7px 8px;
  border: 1px solid rgba(43, 54, 60, 0.78);
  border-radius: 7px;
  background: rgba(23, 30, 35, 0.64);
}

.atlas-estimate-metric dt,
.atlas-estimate-metric dd {
  margin: 0;
}

.atlas-estimate-metric dt {
  color: var(--faint);
  font-size: 9px;
  line-height: 1.25;
}

.atlas-estimate-metric dd {
  margin-top: 2px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.atlas-estimate.is-checking .atlas-estimate-metric dd,
.atlas-estimate.is-unavailable .atlas-estimate-metric dd {
  color: var(--faint);
}

.atlas-estimate-occupancy {
  margin-top: 8px;
}

.atlas-estimate-occupancy-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 9px;
}

.atlas-estimate-occupancy-heading output {
  flex: 0 0 auto;
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 800;
}

.atlas-estimate-bar {
  height: 7px;
  margin-top: 4px;
  overflow: hidden;
  border: 1px solid rgba(64, 80, 88, 0.72);
  border-radius: 999px;
  background: rgba(9, 13, 16, 0.62);
}

.atlas-estimate-fill {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--blue);
  transition: width 180ms ease;
}

.atlas-estimate-status-text {
  min-height: 27px;
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.atlas-estimate.is-overflow .atlas-estimate-status-text,
.atlas-estimate.is-unsafe .atlas-estimate-status-text {
  color: #ffc0bb;
}

.atlas-estimate-recommendation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.atlas-estimate-recommendation-copy {
  min-width: 0;
}

.atlas-estimate-recommendation-copy span,
.atlas-estimate-recommendation-copy strong {
  display: block;
}

.atlas-estimate-recommendation-copy span {
  color: var(--faint);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.atlas-estimate-recommendation-copy strong {
  margin-top: 2px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 10px;
  line-height: 1.3;
}

.atlas-estimate-action {
  min-height: 36px;
  margin: 0;
  padding: 6px 9px;
  font-size: 10px;
  white-space: nowrap;
}

.preflight-review-button {
  width: 100%;
  min-height: 38px;
  margin-top: 10px;
  font-size: 11px;
}

.preflight-issue-list {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
  padding: 10px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.preflight-issue {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 13, 16, 0.38);
}

.preflight-issue.is-error {
  border-color: rgba(255, 121, 111, 0.24);
}

.preflight-issue.is-warning {
  border-color: rgba(244, 198, 93, 0.22);
}

.preflight-issue-level {
  min-width: 39px;
  padding: 2px 5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.preflight-issue.is-error .preflight-issue-level {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.3);
  background: var(--red-soft);
}

.preflight-issue.is-warning .preflight-issue-level {
  color: var(--yellow);
  border-color: rgba(244, 198, 93, 0.28);
  background: var(--yellow-soft);
}

.preflight-issue-body {
  min-width: 0;
}

.preflight-issue-title {
  display: block;
  color: var(--text);
  font-size: 11px;
  line-height: 1.3;
}

.preflight-issue-description,
.preflight-issue-affected {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.preflight-issue-affected {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 9px;
}

.preflight-issue-action {
  min-height: 36px;
  align-self: center;
  padding: 6px 8px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface-2);
  font-size: 10px;
  font-weight: 750;
  white-space: nowrap;
}

.preflight-issue-action:hover,
.preflight-issue-action:focus-visible {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.38);
  background: var(--mint-soft);
}

.preflight-more {
  margin: 8px 1px 0;
  color: var(--faint);
  font-size: 10px;
  text-align: center;
}

@keyframes preflight-spin {
  to {
    transform: rotate(360deg);
  }
}

.export-hint {
  margin: 8px 0 0;
  color: var(--faint);
  font-size: 10px;
  text-align: center;
}

.export-result {
  display: grid;
  grid-template-columns: 72px 33px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-top: 13px;
  padding: 11px;
  border: 1px solid rgba(120, 224, 194, 0.24);
  border-radius: 11px;
  background:
    linear-gradient(135deg, rgba(120, 224, 194, 0.075), transparent 62%),
    var(--surface);
  animation: export-result-in 260ms ease both;
}

.export-result.is-error {
  border-color: rgba(255, 121, 111, 0.32);
  background:
    linear-gradient(135deg, rgba(255, 121, 111, 0.09), transparent 62%),
    var(--surface);
}

.export-result-illustration {
  width: 72px;
  height: auto;
  display: block;
  grid-column: 1;
  grid-row: 1;
  opacity: 0.92;
  filter: drop-shadow(0 10px 13px rgba(0, 0, 0, 0.23));
}

.export-result.is-error .export-result-illustration {
  opacity: 0.55;
  filter: grayscale(0.5);
}

.export-result-copy {
  min-width: 0;
}

@keyframes export-result-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
}

.success-mark {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  color: #07120e;
  border-radius: 50%;
  background: var(--mint);
  font-weight: 900;
}

.export-result.is-error .success-mark {
  color: #fff3f2;
  background: var(--red);
}

.export-result p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.export-verification {
  grid-column: 1 / -1;
  margin-top: 4px;
  border: 1px solid rgba(140, 184, 255, 0.22);
  border-radius: 9px;
  background: rgba(140, 184, 255, 0.055);
}

.export-verification[open] {
  border-color: rgba(140, 184, 255, 0.36);
}

.export-verification.is-valid {
  border-color: rgba(120, 224, 194, 0.3);
  background: rgba(120, 224, 194, 0.06);
}

.export-verification.is-error {
  border-color: rgba(255, 121, 111, 0.38);
  background: var(--red-soft);
}

.export-verification summary {
  min-height: 42px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  color: var(--muted);
  cursor: pointer;
  font-size: 10px;
  list-style: none;
}

.export-verification summary::-webkit-details-marker {
  display: none;
}

.export-verification summary::after {
  content: "⌄";
  justify-self: end;
  color: var(--blue);
  grid-column: 3;
}

.export-verification[open] summary::after {
  transform: rotate(180deg);
}

.export-verification-badge {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 8px;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.26);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 900;
  text-transform: uppercase;
  white-space: nowrap;
}

.export-verification.is-valid .export-verification-badge {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.3);
  background: var(--mint-soft);
}

.export-verification.is-error .export-verification-badge {
  color: #ffb3ad;
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.export-verification-list {
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0 10px 10px;
  list-style: none;
}

.export-verification-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 6px;
  align-items: start;
  color: var(--muted);
  font-size: 9px;
}

.export-verification-list li::before {
  content: "✓";
  color: var(--mint);
  font-weight: 900;
}

.export-verification-list li.is-error::before {
  content: "!";
  color: var(--red);
}

.download-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.download-menu {
  position: relative;
  grid-column: 1 / -1;
}

.download-menu summary {
  list-style: none;
}

.download-menu summary::-webkit-details-marker {
  display: none;
}

.button-download-primary {
  width: 100%;
  color: #08120f;
  background: var(--mint);
}

.button-download-primary span {
  margin-left: auto;
}

.download-options {
  position: absolute;
  z-index: 20;
  right: 0;
  bottom: calc(100% + 8px);
  left: 0;
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #1c252a;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.48);
}

.download-option {
  width: 100%;
  min-height: 55px;
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  text-align: left;
}

.download-option:hover,
.download-option:focus-visible {
  border-color: var(--line-strong);
  background: var(--surface-3);
}

.recommended-download {
  border-color: rgba(120, 224, 194, 0.2);
  background: var(--mint-soft);
}

.download-extension {
  display: grid;
  min-height: 33px;
  place-items: center;
  color: var(--mint);
  border: 1px solid rgba(120, 224, 194, 0.24);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
}

.download-option strong,
.download-option small {
  display: block;
}

.download-option strong {
  font-size: 11px;
}

.download-option small {
  margin-top: 2px;
  color: var(--faint);
  font-size: 9px;
}

.resize-dialog {
  width: min(760px, calc(100vw - 30px));
}

.onboarding-dialog {
  width: min(780px, calc(100vw - 30px));
}

.onboarding-content {
  max-height: min(820px, 88vh);
  padding: 22px;
  overflow-y: auto;
}

.onboarding-description {
  margin: -4px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.onboarding-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.onboarding-step {
  min-width: 0;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 9px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
}

.onboarding-step-number {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #07120e;
  border-radius: 8px;
  background: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 900;
}

.onboarding-step strong {
  color: var(--text);
  font-size: 11px;
}

.onboarding-step p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.onboarding-status {
  min-height: 18px;
  margin: 10px 2px 0;
  color: var(--blue);
  font-size: 10px;
}

.onboarding-choice {
  margin-top: 2px;
}

.onboarding-actions {
  margin-top: 14px;
}

.spritesheet-import-dialog {
  width: min(960px, calc(100vw - 30px));
}

.atlas-import-dialog {
  width: min(760px, calc(100vw - 30px));
}

.gif-import-dialog {
  width: min(900px, calc(100vw - 30px));
}

.gif-import-dialog form {
  max-height: min(820px, 88vh);
  padding: 22px;
  overflow-y: auto;
}

.gif-import-description {
  margin: -4px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.gif-import-layout {
  display: grid;
  grid-template-columns: minmax(300px, 1.1fr) minmax(280px, 0.9fr);
  gap: 14px;
}

.gif-import-preview-stage {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background-color: #0b1013;
  background-image: linear-gradient(45deg, #152027 25%, transparent 25%),
    linear-gradient(-45deg, #152027 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #152027 75%),
    linear-gradient(-45deg, transparent 75%, #152027 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.gif-import-preview-stage canvas {
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}

.gif-import-preview-stage p {
  position: absolute;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.gif-import-controls {
  display: grid;
  gap: 11px;
  align-content: start;
}

.gif-import-source-card {
  display: grid;
  gap: 9px;
  padding: 12px;
  border: 1px solid rgba(214, 167, 255, 0.23);
  border-radius: 11px;
  background: rgba(214, 167, 255, 0.07);
}

.gif-import-source-card strong,
.gif-import-source-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gif-import-source-card small {
  margin-top: 3px;
  color: var(--faint);
  font-size: 9px;
}

.gif-import-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.gif-import-facts div {
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-2);
}

.gif-import-facts small,
.gif-import-facts strong {
  display: block;
}

.gif-import-facts small {
  color: var(--faint);
  font-size: 8px;
}

.gif-import-facts strong {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
}

.gif-import-note {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.gif-import-validation-error {
  margin: 0;
}

.atlas-import-dialog form {
  max-height: min(780px, 88vh);
  padding: 22px;
  overflow-y: auto;
}

.atlas-import-description {
  margin: -4px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.atlas-import-source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.atlas-import-source-card {
  min-width: 0;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
}

.atlas-import-source-card .button {
  grid-column: 1 / -1;
  width: 100%;
}

.atlas-import-source-card strong,
.atlas-import-source-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.atlas-import-source-card strong {
  color: var(--text);
  font-size: 11px;
}

.atlas-import-source-card small {
  margin-top: 3px;
  color: var(--faint);
  font-size: 9px;
}

.atlas-import-source-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.25);
  border-radius: 9px;
  background: rgba(140, 184, 255, 0.08);
}

.atlas-import-source-icon::before {
  content: "";
  width: 18px;
  height: 18px;
  display: block;
  background: currentColor;
  -webkit-mask: var(--control-icon) center / contain no-repeat;
  mask: var(--control-icon) center / contain no-repeat;
}

.atlas-import-detection {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-top: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
}

.atlas-import-detection.is-ready {
  border-color: rgba(120, 224, 194, 0.34);
  background: var(--mint-soft);
}

.atlas-import-format {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 8px;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.25);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  white-space: nowrap;
}

.atlas-import-detection.is-ready .atlas-import-format {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.3);
  background: rgba(120, 224, 194, 0.09);
}

.atlas-import-detection strong {
  color: var(--text);
  font-size: 11px;
}

.atlas-import-detection p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.atlas-import-validation-error {
  margin: 10px 2px 0;
}

.spritesheet-import-dialog form {
  max-height: min(880px, 88vh);
  padding: 22px;
  overflow-y: auto;
}

.spritesheet-description {
  margin: -4px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.spritesheet-dialog-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(320px, 0.85fr);
  gap: 17px;
}

.spritesheet-preview-stage {
  position: relative;
  min-height: 390px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background-color: #0a0f12;
  background-image:
    linear-gradient(45deg, #172025 25%, transparent 25%),
    linear-gradient(-45deg, #172025 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #172025 75%),
    linear-gradient(-45deg, transparent 75%, #172025 75%);
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
}

.spritesheet-preview-stage canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  image-rendering: pixelated;
}

.spritesheet-preview-stage > p {
  position: absolute;
  max-width: 220px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.spritesheet-preview-status {
  min-height: 20px;
  margin: 7px 2px 0;
  color: var(--muted);
  font-size: 10px;
}

.spritesheet-controls {
  display: grid;
  gap: 11px;
  align-content: start;
}

.spritesheet-source-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
}

.spritesheet-source-card strong,
.spritesheet-source-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spritesheet-source-card strong {
  color: var(--text);
  font-size: 11px;
}

.spritesheet-source-card small {
  margin-top: 3px;
  color: var(--faint);
  font-size: 9px;
}

.spritesheet-source-card .button {
  min-height: 36px;
  margin-top: 0;
  padding-block: 6px;
}

.spritesheet-presets {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
}

.spritesheet-presets button {
  min-height: 34px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
}

.spritesheet-presets button:hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.34);
}

.spritesheet-grid-inputs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.spritesheet-grid-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin: 0;
}

.spritesheet-grid-summary div {
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.spritesheet-grid-summary dt {
  color: var(--faint);
  font-size: 8px;
  text-transform: uppercase;
}

.spritesheet-grid-summary dd {
  margin: 3px 0 0;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 900;
}

.spritesheet-validation-error {
  min-height: 16px;
  margin: 0 2px;
}

.spritesheet-progress {
  padding: 9px;
  border: 1px solid rgba(140, 184, 255, 0.22);
  border-radius: 9px;
  background: rgba(140, 184, 255, 0.06);
}

.spritesheet-progress-bar {
  height: 7px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #0a0f12;
}

.spritesheet-progress-bar span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--blue);
  transition: width 120ms ease;
}

.spritesheet-progress p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 9px;
}

.export-profile-dialog {
  width: min(500px, calc(100vw - 30px));
}

.export-profile-dialog-description {
  margin: -5px 0 16px;
  font-size: 12px;
  line-height: 1.5;
}

.export-profile-name-error {
  min-height: 16px;
  margin: 0 2px;
}

.projects-dialog {
  width: min(850px, calc(100vw - 30px));
}

.projects-dialog-content {
  padding: 22px;
}

.projects-description {
  margin: -5px 0 16px;
  color: var(--muted);
  font-size: 12px;
}

.project-dialog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 13px;
}

.current-project-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 10px 12px;
  border: 1px solid rgba(120, 224, 194, 0.2);
  border-radius: 9px;
  background: var(--mint-soft);
}

.current-project-strip span {
  color: var(--muted);
  font-size: 10px;
}

.current-project-strip strong {
  overflow: hidden;
  color: var(--mint);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-dialog-status {
  min-height: 18px;
  margin: 9px 2px;
  color: var(--muted);
  font-size: 10px;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: min(430px, 48vh);
  margin: 0;
  padding: 0 3px 0 0;
  overflow-y: auto;
  list-style: none;
  scrollbar-color: var(--line-strong) transparent;
}

.project-list-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
}

.project-list-item.is-current {
  border-color: rgba(120, 224, 194, 0.34);
  box-shadow: inset 3px 0 0 var(--mint);
}

.project-list-summary {
  min-width: 0;
}

.project-list-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.project-list-title-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.current-project-badge {
  flex: 0 0 auto;
  padding: 2px 6px;
  color: var(--mint);
  border: 1px solid rgba(120, 224, 194, 0.24);
  border-radius: 999px;
  background: var(--mint-soft);
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-list-meta {
  display: block;
  margin-top: 4px;
  color: var(--faint);
  font-size: 9px;
}

.project-list-actions {
  display: flex;
  gap: 5px;
}

.project-row-button {
  min-height: 34px;
  padding: 6px 9px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  font-size: 9px;
  font-weight: 800;
}

.project-row-button:hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.34);
}

.danger-project-button:hover {
  color: var(--red);
  border-color: rgba(255, 121, 111, 0.34);
  background: var(--red-soft);
}

.project-list-empty {
  padding: 35px 10px;
  border: 1px dashed var(--line);
  border-radius: 10px;
}

.storage-note {
  margin: 14px 0 0;
  padding-top: 12px;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font-size: 9px;
}

.storage-note code {
  color: var(--yellow);
  font-family: var(--font-mono);
}

.resize-dialog-layout {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(270px, 0.9fr);
  gap: 18px;
}

.resize-preview-stage {
  min-height: 300px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background-color: #0a0f12;
  background-image:
    linear-gradient(45deg, #172025 25%, transparent 25%),
    linear-gradient(-45deg, #172025 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #172025 75%),
    linear-gradient(-45deg, transparent 75%, #172025 75%);
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-size: 20px 20px;
}

.resize-preview-stage canvas {
  width: 100%;
  height: auto;
  image-rendering: pixelated;
}

.resize-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resize-original-size,
.resize-output-size {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.compact-tool-dialog {
  width: min(520px, calc(100vw - 28px));
}

.compact-tool-dialog form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.compact-tool-dialog .dialog-heading + p {
  margin: 0;
  color: var(--muted);
}

.batch-dialog-summary {
  margin: 0;
  padding: 8px 10px;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.26);
  border-radius: 8px;
  background: rgba(140, 184, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 10px;
}

.batch-rename-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.batch-rename-preview span {
  color: var(--muted);
  font-size: 10px;
}

.batch-rename-preview strong {
  overflow: hidden;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.batch-pivot-inputs {
  align-items: end;
}

.batch-pivot-presets {
  flex-wrap: wrap;
}

.batch-pivot-presets .button {
  flex: 1 1 170px;
}

.resize-output-size {
  color: var(--mint);
}

.resize-presets {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
}

.resize-presets button {
  min-height: 34px;
  padding: 5px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-2);
  font-family: var(--font-mono);
  font-size: 9px;
}

.resize-presets button:hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.35);
}

.compact-check {
  margin: 0;
}

.dialog-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.dialog-actions-spacer {
  flex: 1;
}

.button-download {
  min-height: 38px;
  padding: 7px 9px;
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface-2);
  font-size: 10px;
}

.button-download:hover {
  color: var(--mint);
  border-color: rgba(120, 224, 194, 0.42);
}

.app-footer {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 8px 24px;
  color: var(--faint);
  background: var(--page);
  font-size: 10px;
}

.app-footer p {
  margin: 0;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.legal-body {
  padding: clamp(18px, 4vw, 54px) 16px;
}

.legal-page {
  width: min(780px, 100%);
  margin: 0 auto;
}

.legal-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.legal-brand {
  color: var(--text);
  text-decoration: none;
}

.legal-version {
  flex: 0 0 auto;
  padding: 5px 9px;
  color: var(--blue);
  border: 1px solid rgba(140, 184, 255, 0.24);
  border-radius: 999px;
  background: rgba(140, 184, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
}

.legal-hero,
.legal-section {
  border: 1px solid var(--line);
  background: rgba(17, 23, 27, 0.92);
  box-shadow: var(--shadow);
}

.legal-hero {
  padding: clamp(22px, 5vw, 42px);
  border-radius: var(--radius);
}

.legal-hero h1 {
  margin: 5px 0 10px;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.legal-lead {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.legal-content {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.legal-section {
  padding: 20px clamp(18px, 4vw, 28px);
  border-radius: 11px;
  box-shadow: none;
}

.legal-section h2 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 16px;
}

.legal-section p,
.legal-section li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.legal-section p {
  margin: 8px 0 0;
}

.legal-section ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.legal-section strong {
  color: var(--text);
}

.legal-section a,
.legal-back-link {
  color: var(--mint);
}

.legal-back-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 520px) {
  .legal-topbar {
    align-items: flex-start;
  }

  .legal-brand .brand-release {
    display: none;
  }
}

.help-dialog {
  width: min(580px, calc(100vw - 30px));
  max-height: calc(100vh - 24px);
  max-height: calc(100dvh - 24px);
  overflow: hidden;
  padding: 0;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.62);
}

.help-dialog::backdrop {
  background: rgba(4, 7, 9, 0.78);
  backdrop-filter: blur(4px);
}

.help-dialog form {
  padding: 22px;
}

.help-dialog > form,
.help-dialog > .projects-dialog-content,
.help-dialog > .onboarding-content {
  max-height: calc(100vh - 24px);
  max-height: calc(100dvh - 24px);
  overflow-y: auto;
  overscroll-behavior-y: contain;
  scrollbar-gutter: stable;
}

.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.help-dialog p {
  color: var(--muted);
}

.help-library-note {
  margin: 0 0 18px;
  padding: 12px 14px;
  color: var(--muted);
  border: 1px solid rgba(120, 224, 194, 0.25);
  border-radius: 10px;
  background: var(--mint-soft);
  line-height: 1.55;
}

.help-library-note strong {
  display: block;
  margin-bottom: 3px;
  color: var(--mint);
}

.help-dialog pre {
  overflow-x: auto;
  padding: 15px;
  color: var(--mint);
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0b1013;
  font-size: 11px;
  white-space: pre-wrap;
}

.help-dialog code {
  color: var(--yellow);
  font-family: var(--font-mono);
}

.help-dialog pre code {
  color: inherit;
}

.visual-guide-overlay {
  position: fixed;
  z-index: 80;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.visual-guide-overlay[hidden],
body:has(dialog[open]) .visual-guide-overlay {
  display: none;
}

.visual-guide-callout {
  --visual-guide-accent: var(--mint);
  --visual-guide-soft: rgba(120, 224, 194, 0.2);
  --visual-guide-arrow-offset: 50%;
  position: absolute;
  display: flex;
  max-width: min(330px, calc(100vw - 24px));
  min-height: 64px;
  align-items: center;
  gap: 11px;
  padding: 9px 14px 9px 10px;
  color: var(--text);
  border: 2px solid var(--visual-guide-accent);
  border-radius: 16px;
  background:
    linear-gradient(135deg, var(--visual-guide-soft), rgba(23, 30, 35, 0.98) 48%),
    var(--surface);
  box-shadow:
    0 16px 38px rgba(0, 0, 0, 0.45),
    0 0 0 5px rgba(9, 13, 16, 0.72);
  pointer-events: none;
  animation: visual-guide-float 1100ms ease-in-out infinite;
}

.visual-guide-callout[data-step="2"] {
  --visual-guide-accent: var(--blue);
  --visual-guide-soft: rgba(140, 184, 255, 0.2);
}

.visual-guide-callout[data-step="3"] {
  --visual-guide-accent: var(--yellow);
  --visual-guide-soft: rgba(244, 198, 93, 0.2);
}

.visual-guide-number {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  color: #07110e;
  border-radius: 13px;
  background: var(--visual-guide-accent);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.25);
}

.visual-guide-label {
  max-width: 235px;
  color: var(--text);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.35;
}

.visual-guide-label > span {
  display: block;
}

.visual-guide-label > span[hidden] {
  display: none;
}

.visual-guide-arrow {
  position: absolute;
  width: 18px;
  height: 18px;
  background: #1a2429;
  pointer-events: none;
}

.visual-guide-callout[data-placement="top"] .visual-guide-arrow {
  bottom: -10px;
  left: var(--visual-guide-arrow-offset);
  border-right: 2px solid var(--visual-guide-accent);
  border-bottom: 2px solid var(--visual-guide-accent);
  transform: translateX(-50%) rotate(45deg);
}

.visual-guide-callout[data-placement="bottom"] .visual-guide-arrow {
  top: -10px;
  left: var(--visual-guide-arrow-offset);
  border-top: 2px solid var(--visual-guide-accent);
  border-left: 2px solid var(--visual-guide-accent);
  transform: translateX(-50%) rotate(45deg);
}

.visual-guide-callout[data-placement="left"] .visual-guide-arrow {
  top: var(--visual-guide-arrow-offset);
  right: -10px;
  border-top: 2px solid var(--visual-guide-accent);
  border-right: 2px solid var(--visual-guide-accent);
  transform: translateY(-50%) rotate(45deg);
}

.visual-guide-callout[data-placement="right"] .visual-guide-arrow {
  top: var(--visual-guide-arrow-offset);
  left: -10px;
  border-bottom: 2px solid var(--visual-guide-accent);
  border-left: 2px solid var(--visual-guide-accent);
  transform: translateY(-50%) rotate(45deg);
}

[data-visual-guide-target-step] {
  --visual-guide-target-accent: var(--mint);
  outline: 2px solid var(--visual-guide-target-accent);
  outline-offset: 5px;
  border-radius: var(--radius);
  box-shadow: 0 0 0 7px rgba(120, 224, 194, 0.07);
}

[data-visual-guide-target-step="2"] {
  --visual-guide-target-accent: var(--blue);
  box-shadow: 0 0 0 7px rgba(140, 184, 255, 0.07);
}

[data-visual-guide-target-step="3"] {
  --visual-guide-target-accent: var(--yellow);
  box-shadow: 0 0 0 7px rgba(244, 198, 93, 0.07);
}

@keyframes visual-guide-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

.toast {
  position: fixed;
  z-index: 100;
  right: 20px;
  bottom: 20px;
  max-width: min(390px, calc(100vw - 40px));
  padding: 12px 15px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-3);
  box-shadow: var(--shadow);
  font-size: 12px;
  animation: toast-in 180ms ease both;
}

.toast.is-error {
  color: #ffd0cd;
  border-color: rgba(255, 121, 111, 0.42);
  background: #3a2223;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

[hidden] {
  display: none !important;
}

/* Desktop readability: enlarge supporting copy without changing icons or the compact header geometry. */
@media (min-width: 781px) {
  .save-status,
  .eyebrow,
  .drop-zone small,
  .batch-toolbar-heading span,
  .batch-shortcut-help,
  .sprite-meta,
  .sprite-output-meta,
  .sprite-usage,
  .frame-dimensions,
  .current-frame-label,
  .toggle-row small,
  .check-row small,
  .export-module-copy small,
  .export-suite-note,
  .target-format-notice p,
  .spritesheet-export-description,
  .spritesheet-export-note,
  .spritesheet-export-status,
  .spritesheet-export-preview-meta,
  .spritesheet-source-card small,
  .spritesheet-source-card > span,
  .spritesheet-export-advanced summary,
  .gif-export-description,
  .gif-palette-note,
  .gif-export-status,
  .gif-animation-card small,
  .gif-animation-card > span,
  .export-profile-title strong span,
  .export-profile-summary,
  .uniform-resize-heading small,
  .uniform-size-help,
  .uniform-size-summary,
  .tiled-grid-heading small,
  .tiled-columns-field small,
  .tiled-seam-protection strong,
  .tiled-seam-protection p,
  .atlas-limit-hint,
  .atlas-custom-limit-field label,
  .atlas-custom-limit-field small,
  .extrusion-hint,
  .preflight-disclosure-copy small,
  .preflight-kicker,
  .atlas-estimate-metric dt,
  .atlas-estimate-occupancy-heading,
  .atlas-estimate-status-text,
  .atlas-estimate-recommendation-copy span,
  .atlas-estimate-recommendation-copy strong,
  .preflight-issue-description,
  .preflight-issue-affected,
  .preflight-more,
  .export-hint,
  .export-result p,
  .export-verification summary,
  .export-verification-list li,
  .download-option small,
  .onboarding-step p,
  .onboarding-status,
  .gif-import-source-card small,
  .gif-import-facts small,
  .gif-import-facts strong,
  .gif-import-note,
  .atlas-import-source-card small,
  .atlas-import-detection p,
  .spritesheet-preview-status,
  .spritesheet-presets button,
  .spritesheet-progress p,
  .current-project-strip span,
  .project-dialog-status,
  .project-list-meta,
  .storage-note,
  .resize-original-size,
  .resize-output-size,
  .batch-dialog-summary,
  .batch-rename-preview span,
  .batch-rename-preview strong,
  .app-footer,
  .legal-version {
    font-size: 11px;
  }

  .app-version,
  .batch-duration-field,
  .frame-index,
  .input-with-suffix span,
  .export-module-index,
  .export-module-formats,
  .spritesheet-format-tag,
  .spritesheet-custom-unit,
  .gif-format-tag,
  .export-level-badge,
  .size-chip,
  .tiled-badge,
  .atlas-output-choice-badge,
  .preflight-compact-status,
  .preflight-badge,
  .atlas-estimate-limit,
  .preflight-issue-level,
  .export-verification-badge,
  .download-extension,
  .atlas-import-format,
  .spritesheet-grid-summary dt,
  .current-project-badge {
    font-size: 10px;
  }

  .frame-duration-field,
  .frame-duration-field input {
    font-size: 11px;
  }

  .batch-selection-actions .text-button,
  .batch-action-button,
  .sprite-action-button,
  .export-profile-action,
  .compact-button,
  .atlas-estimate-action,
  .preflight-issue-action,
  .project-row-button,
  .resize-presets button,
  .button-download {
    font-size: 12px;
  }
}

@media (min-width: 1600px) {
  .workspace {
    grid-template-columns: minmax(292px, 0.82fr) minmax(680px, 1.4fr) minmax(420px, 1.1fr);
  }
}

@media (max-width: 1700px) {
  .save-status {
    display: none;
  }
}

@media (max-width: 1400px) {
  .history-button {
    width: 38px;
    padding-inline: 0;
  }

  .history-label {
    display: none;
  }

  .onboarding-header-button {
    width: 38px;
    min-width: 38px;
    padding-inline: 0;
    overflow: hidden;
    font-size: 0;
  }

  .onboarding-header-button::before {
    width: 17px;
    height: 17px;
  }
}

@media (max-width: 1120px) {
  .app-header {
    grid-template-columns: minmax(250px, 1fr) minmax(190px, 300px) auto;
    gap: 12px;
    padding-inline: 16px;
  }

  .brand {
    gap: 8px;
    min-width: 0;
  }

  .save-status {
    display: none;
  }

  .workspace {
    grid-template-columns: minmax(300px, 0.85fr) minmax(450px, 1.4fr);
  }

  .preview-panel {
    min-height: auto;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(330px, 1fr) minmax(320px, 0.85fr);
    gap: 0 22px;
  }

  .preview-panel > .panel-heading,
  .preview-panel > .preview-stage,
  .preview-panel > .current-frame-label,
  .preview-panel > .playback-controls,
  .preview-panel > .playback-settings,
  .preview-panel > .alignment-card {
    grid-column: 1;
  }

  .preview-panel > .export-suite {
    grid-column: 2;
    grid-row: 1 / span 6;
    align-self: start;
  }

  .sprite-list,
  .frame-list {
    max-height: 560px;
  }
}

@media (max-width: 780px) {
  .app-header {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 11px 15px;
  }

  .project-title {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .header-actions {
    gap: 6px;
  }

  .global-status {
    padding-inline: 15px;
  }

  .project-stats {
    display: none;
  }

  .workspace {
    display: block;
  }

  .panel {
    min-height: auto;
    padding: 19px 15px;
    border-bottom: 1px solid var(--line);
  }

  .sprite-list,
  .frame-list {
    max-height: none;
  }

  .animation-editor {
    min-height: 360px;
  }

  .preview-panel {
    display: block;
  }

  .resize-dialog-layout {
    grid-template-columns: 1fr;
  }

  .onboarding-steps,
  .spritesheet-dialog-layout,
  .atlas-import-source-grid,
  .gif-import-layout {
    grid-template-columns: 1fr;
  }

  .empty-state-illustration {
    max-width: 210px;
  }

  .spritesheet-preview-stage {
    min-height: 280px;
  }

  .project-list-item {
    grid-template-columns: 1fr;
  }

  .project-list-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .resize-preview-stage {
    min-height: 230px;
  }

  .preview-panel > .export-suite {
    margin-top: 10px;
  }

  .app-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding-inline: 15px;
  }

  .batch-toolbar-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .batch-selection-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .atlas-output-choice-group {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .brand-release {
    display: none;
  }
}

@media (max-width: 520px) {
  .app-header {
    grid-template-columns: 1fr;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    gap: 8px;
  }

  .language-switcher {
    margin-left: auto;
  }

  .language-button {
    min-width: 46px;
    min-height: 38px;
  }

  .project-title {
    grid-column: 1;
    grid-row: 2;
  }

  .header-actions {
    width: 100%;
    grid-column: 1;
    grid-row: 3;
    justify-self: stretch;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .history-button {
    width: 44px;
    min-height: 44px;
    padding: 0;
  }

  .history-label {
    display: none;
  }

  .header-actions .header-button:not(.history-button) {
    min-height: 44px;
  }

  .drop-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  .drop-actions .button {
    width: 100%;
  }

  .gif-export-controls,
  .spritesheet-export-controls,
  .gif-import-facts {
    grid-template-columns: 1fr;
  }

  .spritesheet-quality-field {
    grid-column: auto;
  }

  .spritesheet-limit-warning {
    grid-column: auto;
  }

  .batch-action-button,
  .batch-destination-field select,
  .batch-selection-actions .text-button,
  .compact-input input {
    min-height: 44px;
  }

  .batch-toolbar-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .batch-destination-field {
    grid-column: 1 / -1;
  }

  .timeline-batch-primary {
    align-items: stretch;
  }

}

@media (max-width: 420px) {
  .brand-name {
    font-size: 18px;
  }

  .export-options,
  .export-profile-row,
  .playback-settings,
  .download-grid,
  .alignment-coordinate-grid,
  .alignment-actions,
  .alignment-onion-grid {
    grid-template-columns: 1fr;
  }

  .export-module-toggle {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .export-module-index,
  .export-module-formats {
    display: none;
  }

  .export-toggle-meta {
    gap: 5px;
  }

  .export-level-badge {
    display: none;
  }

  .preflight-compact-status {
    max-width: 105px;
  }

  .export-profile-apply,
  .export-profile-action {
    width: 100%;
    min-height: 44px;
  }

  .export-profile-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .alignment-action {
    white-space: normal;
  }

  .preflight-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .preflight-badge {
    max-width: 100%;
    align-self: flex-start;
  }

  .preflight-issue {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .preflight-issue-action {
    width: 100%;
    min-height: 44px;
    grid-column: 1 / -1;
    white-space: normal;
  }

  .atlas-estimate-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .atlas-estimate-metrics {
    grid-template-columns: 1fr;
  }

  .atlas-estimate-recommendation {
    grid-template-columns: 1fr;
  }

  .atlas-estimate-action {
    width: 100%;
    min-height: 44px;
    white-space: normal;
  }

  .frame-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .uniform-resize-row,
  .uniform-custom-fields,
  .resize-dimensions {
    grid-template-columns: 1fr;
  }

  .dimension-times {
    display: none;
  }

  .resize-presets {
    grid-template-columns: repeat(3, 1fr);
  }

  .spritesheet-source-card,
  .spritesheet-grid-inputs {
    grid-template-columns: 1fr;
  }

  .spritesheet-source-card .button {
    width: 100%;
  }

  .spritesheet-presets {
    grid-template-columns: repeat(3, 1fr);
  }

  .export-verification summary {
    grid-template-columns: 1fr auto;
  }

  .export-verification summary::after {
    grid-column: 2;
    grid-row: 1;
  }

  .export-verification summary > span:last-of-type {
    grid-column: 1 / -1;
  }

  .export-result {
    grid-template-columns: 56px 31px minmax(0, 1fr);
    gap: 8px;
    padding: 9px;
  }

  .export-result-illustration {
    width: 56px;
  }

  .resampling-options {
    grid-template-columns: 1fr;
  }

  .dialog-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .batch-toolbar-actions,
  .timeline-batch-primary,
  .batch-pivot-presets {
    display: grid;
    grid-template-columns: 1fr;
  }

  .batch-duration-field {
    justify-content: space-between;
  }

  .compact-input {
    width: min(140px, 50vw);
  }

  .dialog-actions-spacer {
    display: none;
  }
}

@media (max-width: 360px) {
  .brand-name {
    font-size: 17px;
  }

  .language-button {
    min-width: 44px;
    padding-inline: 5px;
  }

  .language-flag {
    width: 16px;
    height: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .button:not(:disabled):hover,
  .button:not(:disabled):active,
  .header-button:not(:disabled):hover,
  .header-button:not(:disabled):active,
  .language-button:not(:disabled):hover,
  .language-button:not(:disabled):active,
  .control-icon:not(:disabled):hover::before,
  .drop-zone.is-dragging,
  .drop-zone.is-dragging .drop-icon {
    transform: none !important;
  }

  .visual-guide-callout {
    animation: none !important;
  }
}