:root {
  --bg: #ffffff;
  --surface: #f6f8fb;
  --surface-strong: #eef3f7;
  --panel: #ffffff;
  --ink: #0d1b2a;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #d9e2ec;
  --line-strong: #c7d2df;
  --accent: #0f9f9a;
  --accent-dark: #087c78;
  --coral: #e8614d;
  --gold: #d99b22;
  --danger: #b42318;
  --danger-solid: #b42318;
  --danger-bg: #fff0f0;
  --success-bg: #e9fbf9;
  --success-text: #06736f;
  --button-bg: #ffffff;
  --button-hover: #f8fafc;
  --score-bg: rgba(255, 255, 255, 0.72);
  --topbar-bg: rgba(255, 255, 255, 0.88);
  --canvas-grid: rgba(217, 226, 236, 0.42);
  --drop-bg: #fbfdff;
  --drag-bg: #f0fffd;
  --shadow: 0 16px 40px rgba(13, 27, 42, 0.1);
  --shadow-soft: 0 10px 24px rgba(13, 27, 42, 0.08);
  --radius: 8px;
  --focus: 0 0 0 3px rgba(15, 159, 154, 0.22);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07111e;
  --surface: #101827;
  --surface-strong: #172235;
  --panel: #0c1727;
  --ink: #edf6ff;
  --ink-soft: #d2dce9;
  --muted: #97a6ba;
  --line: #26364d;
  --line-strong: #3a506c;
  --accent: #2dd4bf;
  --accent-dark: #5eead4;
  --coral: #fb7c6b;
  --gold: #f2b84b;
  --danger: #ffb4a8;
  --danger-solid: #ef4444;
  --danger-bg: rgba(248, 113, 113, 0.14);
  --success-bg: rgba(45, 212, 191, 0.16);
  --success-text: #8ce6dc;
  --button-bg: #132033;
  --button-hover: #1a2a43;
  --score-bg: rgba(237, 246, 255, 0.12);
  --topbar-bg: rgba(7, 17, 30, 0.9);
  --canvas-grid: rgba(133, 151, 176, 0.16);
  --drop-bg: #0a1423;
  --drag-bg: rgba(45, 212, 191, 0.1);
  --shadow: 0 18px 46px rgba(0, 0, 0, 0.34);
  --shadow-soft: 0 12px 28px rgba(0, 0, 0, 0.26);
  --focus: 0 0 0 3px rgba(45, 212, 191, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(246, 248, 251, 0.88), #ffffff 420px),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

html[data-theme="dark"] body {
  background:
    linear-gradient(180deg, rgba(15, 27, 45, 0.92), #07111e 460px),
    var(--bg);
}

body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--ink);
  color: #ffffff;
  padding: 10px 14px;
  text-decoration: none;
  transition: transform 160ms ease;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand > span:last-child {
  display: grid;
  gap: 1px;
}

.brand strong {
  font-size: 1.05rem;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.brand-mark {
  display: grid;
  grid-template-columns: repeat(2, 13px);
  grid-template-rows: repeat(2, 13px);
  gap: 3px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--button-bg);
  box-shadow: var(--shadow-soft);
}

.brand-mark span {
  border-radius: 4px;
}

.brand-mark span:nth-child(1) {
  background: #0f9f9a;
}

.brand-mark span:nth-child(2) {
  background: #e8614d;
}

.brand-mark span:nth-child(3) {
  background: #d99b22;
}

.brand-mark span:nth-child(4) {
  background: #284b75;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.button,
.copy-button,
.text-button,
.icon-button,
.tab-button {
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.button:hover,
.copy-button:hover,
.icon-button:hover,
.tab-button:hover {
  transform: translateY(-1px);
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  font-weight: 750;
  white-space: nowrap;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(15, 159, 154, 0.18);
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  border-color: var(--line);
  background: var(--button-bg);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--line-strong);
  background: var(--button-hover);
}

.small-button {
  min-height: 36px;
  padding: 0 12px;
  font-size: 0.84rem;
}

.icon-button {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-color: var(--line);
  background: var(--button-bg);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
}

.theme-toggle {
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
}

.theme-toggle[aria-pressed="false"] {
  color: var(--accent-dark);
}

.theme-toggle[aria-pressed="true"] {
  color: var(--gold);
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 750;
  padding: 8px 2px;
}

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

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 44px);
}

.product-intro {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin: 0 0 22px;
  padding: 4px 0 4px 16px;
  border-left: 4px solid var(--accent);
}

.product-intro .eyebrow {
  margin: 0;
}

.product-intro p:last-child {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.18rem);
  font-weight: 700;
  line-height: 1.45;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  gap: 22px;
  align-items: start;
}

.workspace-main {
  display: grid;
  gap: 22px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 20px 16px;
}

.panel-header h1,
.panel-header h2,
.details-panel h2,
.saved-section h3,
.modal-header h2,
.tab-panel h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.1;
}

.panel-header h1 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.panel-header h2,
.details-panel h2,
.modal-header h2 {
  font-size: 1.35rem;
}

.saved-section h3,
.tab-panel h3 {
  font-size: 1rem;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.panel-note,
.muted,
.status-line,
.form-message,
.tab-panel p {
  color: var(--muted);
}

.panel-note {
  max-width: 220px;
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
}

.image-tools,
.palette-workbench {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 20px 16px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.tool-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.tool-group output {
  min-width: 58px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 850;
  text-align: center;
}

.toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--button-bg);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 800;
}

.toggle-pill input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.canvas-drop-zone {
  position: relative;
  display: grid;
  min-height: clamp(430px, 55vw, 680px);
  margin: 0 20px 18px;
  overflow: hidden;
  place-items: center;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(45deg, var(--canvas-grid) 25%, transparent 25%),
    linear-gradient(-45deg, var(--canvas-grid) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--canvas-grid) 75%),
    linear-gradient(-45deg, transparent 75%, var(--canvas-grid) 75%),
    var(--drop-bg);
  background-position:
    0 0,
    0 12px,
    12px -12px,
    -12px 0;
  background-size: 24px 24px;
}

.canvas-drop-zone.is-dragging,
.upload-zone.is-dragging {
  border-color: var(--accent);
  background-color: var(--drag-bg);
}

#imageCanvas {
  display: none;
  width: 100%;
  height: auto;
  max-height: 660px;
  object-fit: contain;
  cursor: crosshair;
  transform-origin: center;
  transition: transform 180ms ease;
}

#imageCanvas.has-image {
  display: block;
}

.canvas-drop-zone.is-panning #imageCanvas {
  cursor: grab;
}

.canvas-drop-zone.is-panning.is-dragging-pan #imageCanvas {
  cursor: grabbing;
}

.empty-state,
.upload-zone,
.paste-target,
.screen-picker-panel {
  display: grid;
  place-items: center;
  text-align: center;
}

.empty-state {
  max-width: 430px;
  padding: 32px;
}

.empty-state h2,
.empty-state p,
.upload-zone h3,
.upload-zone p {
  margin-top: 0;
}

.empty-state h2 {
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.empty-state p {
  margin-bottom: 20px;
}

.empty-art {
  position: relative;
  display: grid;
  width: 92px;
  height: 72px;
  margin-bottom: 18px;
  place-items: center;
}

.empty-art span {
  position: absolute;
  display: block;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.empty-art span:nth-child(1) {
  width: 58px;
  height: 58px;
  transform: translateX(-20px) rotate(-8deg);
  background: #0f9f9a;
}

.empty-art span:nth-child(2) {
  width: 60px;
  height: 60px;
  transform: translateX(18px) rotate(10deg);
  background: #e8614d;
}

.empty-art span:nth-child(3) {
  width: 42px;
  height: 42px;
  transform: translateY(12px);
  background: #d99b22;
}

.compact-art {
  width: 70px;
  height: 56px;
  margin-bottom: 14px;
}

.pick-marker {
  position: absolute;
  display: none;
  width: 22px;
  height: 22px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  box-shadow:
    0 0 0 2px rgba(13, 27, 42, 0.7),
    0 8px 18px rgba(13, 27, 42, 0.3);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.pick-marker.is-visible {
  display: block;
}

.pixel-loupe {
  position: absolute;
  z-index: 4;
  display: none;
  width: 156px;
  padding: 10px;
  border: 1px solid rgba(13, 27, 42, 0.18);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
  pointer-events: none;
  transform: translate(18px, 18px);
}

.pixel-loupe.is-visible {
  display: grid;
  gap: 8px;
}

.pixel-loupe canvas {
  width: 132px;
  height: 132px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  image-rendering: pixelated;
}

.pixel-loupe span {
  color: var(--ink);
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-size: 0.84rem;
  font-weight: 850;
  text-align: center;
}

.status-line {
  min-height: 22px;
  margin: 0;
  padding: 0 20px 18px;
  font-size: 0.92rem;
}

.status-line.is-error,
.form-message.is-error {
  color: var(--danger);
}

.status-line.compact {
  min-height: 20px;
  padding: 0;
}

.analysis-progress {
  height: 3px;
  margin: -8px 20px 18px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-strong);
}

.analysis-progress span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--gold), var(--coral));
  animation: progress-slide 920ms ease-in-out infinite;
}

@keyframes progress-slide {
  0% {
    transform: translateX(-110%);
  }

  100% {
    transform: translateX(260%);
  }
}

.palette-panel {
  overflow: hidden;
}

.palette-header {
  align-items: center;
}

.stepper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.stepper output {
  min-width: 74px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: center;
}

.palette-workbench {
  align-items: end;
}

.field-control,
.save-field {
  display: grid;
  gap: 7px;
}

.field-control span,
.save-field label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.field-control select,
.field-control input,
.save-field input {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--button-bg);
  color: var(--ink);
  padding: 0 11px;
}

.range-control input {
  padding: 0;
  accent-color: var(--accent);
}

.range-control span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.microcopy {
  flex: 1 1 220px;
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.palette-blocks {
  display: grid;
  grid-template-columns: repeat(var(--palette-count, 9), minmax(58px, 1fr));
  min-height: 118px;
  padding: 0 20px 20px;
  gap: 8px;
}

.gradient-panel {
  overflow: hidden;
}

.gradient-header {
  align-items: center;
}

.gradient-preview {
  min-height: 180px;
  margin: 0 20px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #2596be, #173e3d);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.18),
    var(--shadow-soft);
}

.gradient-controls {
  display: grid;
  grid-template-columns: minmax(132px, 0.7fr) minmax(180px, 1fr) minmax(240px, 1.4fr);
  gap: 12px;
  align-items: end;
  margin: 0 20px 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.gradient-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.gradient-actions .button {
  min-width: 0;
  white-space: normal;
}

.gradient-code {
  display: block;
  min-height: 44px;
  margin: 0 20px 20px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-soft);
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.palette-empty {
  grid-column: 1 / -1;
  align-self: center;
  margin: 0;
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.palette-swatch {
  position: relative;
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 112px;
  align-items: end;
  justify-content: center;
  overflow: hidden;
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: var(--radius);
  background: var(--swatch-color, #2596be);
  color: var(--swatch-text, #ffffff);
  box-shadow: inset 0 -44px 46px rgba(0, 0, 0, 0.16);
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.palette-item {
  display: grid;
  min-width: 0;
}

.palette-item.is-dragging {
  opacity: 0.48;
}

.palette-swatch:hover {
  border-color: rgba(15, 159, 154, 0.3);
  background: var(--swatch-hover-color, var(--swatch-color, #2596be));
  color: var(--swatch-hover-text, var(--swatch-text, #ffffff));
  transform: translateY(-2px);
  box-shadow:
    inset 0 -44px 46px rgba(0, 0, 0, 0.16),
    0 12px 22px rgba(13, 27, 42, 0.13);
}

.palette-swatch:focus-visible {
  outline: none;
  border-color: rgba(15, 159, 154, 0.58);
  background: var(--swatch-hover-color, var(--swatch-color, #2596be));
  color: var(--swatch-hover-text, var(--swatch-text, #ffffff));
  transform: translateY(-2px);
  box-shadow:
    inset 0 -44px 46px rgba(0, 0, 0, 0.16),
    0 0 0 3px var(--panel),
    0 0 0 6px rgba(15, 159, 154, 0.44),
    0 14px 28px rgba(13, 27, 42, 0.16);
}

html[data-theme="dark"] .palette-swatch:focus-visible {
  border-color: rgba(45, 212, 191, 0.72);
  box-shadow:
    inset 0 -44px 46px rgba(0, 0, 0, 0.2),
    0 0 0 3px var(--panel),
    0 0 0 6px rgba(45, 212, 191, 0.48),
    0 16px 30px rgba(0, 0, 0, 0.34);
}

.palette-swatch.is-selected {
  box-shadow:
    inset 0 -44px 46px rgba(0, 0, 0, 0.16),
    0 0 0 3px rgba(15, 159, 154, 0.28);
}

.palette-swatch.is-selected:focus-visible {
  box-shadow:
    inset 0 -44px 46px rgba(0, 0, 0, 0.16),
    0 0 0 3px var(--panel),
    0 0 0 7px rgba(15, 159, 154, 0.5),
    0 14px 28px rgba(13, 27, 42, 0.16);
}

.palette-swatch .swatch-label {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 8px 6px;
  color: inherit;
  text-align: center;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.28);
}

.swatch-hex {
  font-size: 0.74rem;
  font-weight: 900;
}

.swatch-role-label {
  justify-self: center;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.55rem;
  font-weight: 900;
  text-transform: uppercase;
}

.swatch-role-label.is-main {
  background: rgba(255, 255, 255, 0.28);
}

.swatch-role-label.is-hover {
  background: rgba(13, 27, 42, 0.22);
}

.swatch-hover-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(4px);
  transition:
    max-height 160ms ease,
    opacity 160ms ease,
    transform 160ms ease;
}

.palette-swatch:hover .swatch-hover-label,
.palette-swatch:focus-visible .swatch-hover-label,
.palette-swatch:focus-within .swatch-hover-label {
  max-height: 1.2em;
  opacity: 0.9;
  transform: translateY(0);
}

.swatch-controls {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.palette-swatch:hover .swatch-controls,
.palette-swatch:focus-visible .swatch-controls,
.palette-swatch:focus-within .swatch-controls {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.swatch-controls button,
.swatch-controls span {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--button-bg) 88%, transparent);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 950;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(13, 27, 42, 0.16);
  backdrop-filter: blur(10px);
}

.swatch-controls button:hover {
  border-color: var(--line-strong);
  background: var(--button-hover);
}

.swatch-controls button[aria-pressed="true"] {
  border-color: rgba(15, 159, 154, 0.38);
  background: var(--success-bg);
  color: var(--accent-dark);
}

.swatch-controls span {
  cursor: grab;
}

.details-panel {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 20px;
  padding: 20px;
}

.selected-card {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
  align-items: center;
}

.selected-swatch {
  width: 92px;
  aspect-ratio: 1;
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: var(--radius);
  background: #2596be;
  box-shadow: var(--shadow-soft);
}

.selected-card h2 {
  word-break: break-word;
}

.selected-card .muted {
  margin: 8px 0 0;
  font-size: 0.92rem;
}

.value-list {
  display: grid;
  gap: 10px;
}

.value-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.value-row label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
}

.value-row output {
  min-width: 0;
  color: var(--ink);
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.copy-button {
  min-height: 32px;
  padding: 0 10px;
  border-color: var(--line-strong);
  background: var(--button-bg);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.copy-button.is-copied {
  border-color: rgba(15, 159, 154, 0.45);
  background: var(--success-bg);
  color: var(--accent-dark);
}

.role-section {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

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

.role-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.role-swatch {
  display: block;
  width: 40px;
  aspect-ratio: 1;
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: 7px;
  background: #2596be;
  box-shadow: inset 0 -16px 18px rgba(0, 0, 0, 0.14);
}

.role-row p {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.role-row output {
  color: var(--ink);
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-size: 0.95rem;
  font-weight: 850;
}

.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.action-grid .button {
  width: 100%;
  min-width: 0;
  white-space: normal;
}

.button-wide {
  grid-column: 1 / -1;
}

.save-field input {
  width: 100%;
}

.custom-color-section {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.custom-color-grid {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: end;
}

.color-picker-control {
  display: grid;
  gap: 7px;
}

.color-picker-control span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  text-transform: uppercase;
}

.color-picker-control input {
  width: 100%;
  height: 44px;
  padding: 4px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--button-bg);
}

.custom-hex-field input {
  width: 100%;
  min-height: 44px;
  font-family:
    "SFMono-Regular", Consolas, "Liberation Mono", Menlo, ui-monospace, monospace;
  font-weight: 850;
  text-transform: uppercase;
}

.custom-color-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.custom-color-actions .button {
  min-width: 0;
  white-space: normal;
}

.contrast-section {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.contrast-result {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 8px;
  padding: 4px 8px 4px 5px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--button-bg);
  color: var(--ink);
  font-weight: 900;
}

.contrast-result.is-pass {
  border-color: rgba(15, 159, 154, 0.36);
  background: var(--success-bg);
  color: var(--success-text);
}

.contrast-result.is-fail {
  border-color: rgba(184, 37, 37, 0.3);
  background: var(--danger-bg);
  color: var(--danger);
}

.contrast-icon {
  display: inline-grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 950;
  line-height: 1;
}

.contrast-result.is-pass .contrast-icon {
  background: #0f9f9a;
}

.contrast-result.is-fail .contrast-icon {
  background: var(--danger-solid);
}

.contrast-score {
  display: inline-grid;
  min-width: 50px;
  min-height: 26px;
  place-items: center;
  border-radius: 6px;
  background: var(--score-bg);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.contrast-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 76px;
  border-radius: var(--radius);
  padding: 16px;
  background: var(--button-bg);
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 850;
}

.contrast-preview strong {
  display: inline-grid;
  min-width: 70px;
  min-height: 32px;
  place-items: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.78rem;
}

.contrast-preview strong.is-pass {
  background: rgba(15, 159, 154, 0.92);
  color: #ffffff;
}

.contrast-preview strong.is-fail {
  background: rgba(180, 35, 24, 0.92);
  color: #ffffff;
}

.contrast-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.contrast-actions .copy-button {
  white-space: normal;
}

.site-footer {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 44px) 30px;
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.saved-section {
  display: grid;
  gap: 12px;
  padding-top: 4px;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.saved-palettes {
  display: grid;
  gap: 10px;
}

.saved-palette {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.saved-palette-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.saved-palette-top strong {
  min-width: 0;
  color: var(--ink);
  font-size: 0.92rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.saved-palette time {
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.saved-strip {
  display: grid;
  grid-template-columns: repeat(var(--saved-count, 5), 1fr);
  min-height: 34px;
  overflow: hidden;
  border: 1px solid rgba(13, 27, 42, 0.1);
  border-radius: 6px;
}

.saved-strip span {
  min-height: 34px;
}

.saved-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.saved-actions button {
  min-height: 32px;
  padding: 0 10px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 27, 42, 0.5);
}

.modal-panel {
  position: relative;
  display: grid;
  width: min(760px, 100%);
  max-height: min(720px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.export-modal-panel {
  width: min(1040px, 100%);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 22px 14px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  padding: 0 22px 16px;
}

.tab-button {
  min-height: 42px;
  padding: 0 10px;
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 800;
}

.tab-button[aria-selected="true"] {
  border-color: rgba(15, 159, 154, 0.4);
  background: var(--success-bg);
  color: var(--accent-dark);
}

.tab-panel {
  padding: 0 22px 22px;
}

.upload-zone,
.paste-target,
.screen-picker-panel {
  min-height: 260px;
  padding: 26px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.upload-zone p,
.paste-target p,
.screen-picker-panel p {
  margin: 8px 0 18px;
}

.url-form {
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.url-form label {
  color: var(--ink);
  font-weight: 800;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.input-row input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--button-bg);
  color: var(--ink);
}

.form-message {
  margin: 2px 0 0;
  font-size: 0.92rem;
}

.paste-target {
  margin-bottom: 12px;
}

.screen-picker-panel {
  grid-template-columns: minmax(0, 1fr) auto;
  justify-items: stretch;
  text-align: left;
}

.screen-picker-panel .button {
  align-self: center;
}

.export-preview-frame {
  padding: 0 22px 18px;
}

.export-preview-frame canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 22px 22px;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .details-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
  }

  .top-actions .button {
    flex: 1;
  }

  .app-shell {
    padding: 16px;
  }

  .product-intro {
    grid-template-columns: 1fr;
    gap: 6px;
    margin-bottom: 16px;
  }

  .panel-header,
  .palette-header,
  .gradient-header,
  .image-tools,
  .palette-workbench {
    align-items: stretch;
    flex-direction: column;
  }

  .panel-note {
    max-width: none;
    text-align: left;
  }

  .canvas-drop-zone {
    min-height: 340px;
    margin: 0 14px 14px;
  }

  .empty-state {
    padding: 24px 18px;
  }

  .palette-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 0 14px 14px;
  }

  .palette-swatch {
    min-height: 82px;
  }

  .gradient-preview,
  .gradient-controls,
  .gradient-code {
    margin-right: 14px;
    margin-left: 14px;
  }

  .gradient-controls {
    grid-template-columns: 1fr;
  }

  .selected-card {
    grid-template-columns: 78px 1fr;
  }

  .selected-swatch {
    width: 78px;
  }

  .action-grid,
  .input-row,
  .screen-picker-panel,
  .contrast-actions,
  .custom-color-actions,
  .gradient-actions {
    grid-template-columns: 1fr;
  }

  .tabs {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 460px) {
  .top-actions,
  .value-row {
    grid-template-columns: 1fr;
  }

  .top-actions {
    display: grid;
  }

  .theme-toggle {
    justify-self: start;
  }

  .value-row {
    display: grid;
  }

  .copy-button {
    justify-self: stretch;
  }

  .custom-color-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}