/* =========================================================
   WheelSpin — Design Tokens & Core Styles
   Blue-Orange palette, OKLCH color system
   ========================================================= */

:root {
  /* ---- Primary: Blue ---- */
  --blue-50: oklch(96% 0.02 240);
  --blue-100: oklch(90% 0.04 240);
  --blue-200: oklch(82% 0.08 240);
  --blue-300: oklch(70% 0.12 240);
  --blue-400: oklch(60% 0.16 240);
  --blue-500: oklch(52% 0.18 240);
  --blue-600: oklch(44% 0.16 240);
  --blue-700: oklch(36% 0.14 240);
  --blue-800: oklch(28% 0.1 240);
  --blue-900: oklch(20% 0.06 240);

  /* ---- Accent: Orange ---- */
  --orange-50: oklch(96% 0.03 65);
  --orange-100: oklch(90% 0.06 60);
  --orange-200: oklch(82% 0.11 55);
  --orange-300: oklch(74% 0.15 50);
  --orange-400: oklch(68% 0.18 45);
  --orange-500: oklch(62% 0.2 40);
  --orange-600: oklch(54% 0.18 38);
  --orange-700: oklch(44% 0.14 38);

  /* ---- Success: Green ---- */
  --green-50: oklch(96% 0.03 155);
  --green-200: oklch(82% 0.1 155);
  --green-500: oklch(52% 0.16 155);

  /* ---- Neutrals (blue-tinted) ---- */
  --neutral-50: oklch(97% 0.005 240);
  --neutral-100: oklch(94% 0.008 240);
  --neutral-200: oklch(89% 0.01 240);
  --neutral-300: oklch(82% 0.012 240);
  --neutral-400: oklch(65% 0.01 240);
  --neutral-500: oklch(50% 0.01 240);
  --neutral-600: oklch(38% 0.01 240);
  --neutral-700: oklch(28% 0.012 240);
  --neutral-800: oklch(20% 0.015 240);
  --neutral-900: oklch(13% 0.015 240);

  /* ---- Semantic: Surfaces & text ---- */
  --color-bg: oklch(97% 0.008 60);
  --color-surface: oklch(99% 0.003 60);
  --color-text: var(--neutral-800);
  --color-text-secondary: var(--neutral-600);
  --color-text-muted: var(--neutral-400);
  --color-text-placeholder: var(--neutral-400);
  --color-border: var(--neutral-200);

  /* ---- Semantic: Interactive ---- */
  --color-primary: var(--blue-500);
  --color-primary-hover: var(--blue-600);
  --color-accent: var(--orange-400);
  --color-accent-hover: var(--orange-500);
  --color-accent-press: var(--orange-600);
  --color-on-accent: var(--neutral-800);
  --color-danger: var(--orange-700);
  --color-danger-hover: var(--orange-600);
  --color-danger-soft: oklch(from var(--orange-400) l c h / 0.1);
  --color-link-inverse: var(--blue-300);
  --color-link-inverse-hover: var(--blue-200);

  /* ---- Semantic: Feedback ---- */
  --color-success: var(--green-500);
  --color-success-border: var(--green-200);
  --color-success-bg: var(--green-50);

  /* ---- Semantic: Inverse surfaces (toasts, dark chips) ---- */
  --color-surface-inverse: var(--neutral-800);
  --color-text-inverse: var(--neutral-100);
  --color-surface-hover: var(--neutral-100);

  /* ---- Semantic: Overlay & shadow ---- */
  --color-overlay: oklch(13% 0.015 240 / 0.55);
  --color-shadow: oklch(20% 0.02 240 / 0.18);
  --color-shadow-accent: oklch(62% 0.2 40 / 0.3);

  /* ---- Semantic: Wheel structure (canvas-readable) ---- */
  --wheel-center-fill: oklch(97% 0.008 240);
  --wheel-center-stroke: oklch(82% 0.012 240);
  --wheel-ring-stroke: oklch(89% 0.01 240);
  --wheel-empty-fill: oklch(94% 0.008 240);
  --wheel-empty-stroke: oklch(82% 0.012 240);
  --wheel-empty-text: oklch(55% 0.015 240);
  --wheel-pointer: var(--color-accent);

  /* ---- Semantic: Wheel segment palette (canvas-readable) ---- */
  /* Restrained blue-orange family: enough variation to separate slices,
     without drifting into game-spinner rainbow noise. */
  --wheel-seg-1: oklch(45% 0.14 242); /* Deep blue */
  --wheel-seg-2: oklch(67% 0.15 52); /* Warm amber */
  --wheel-seg-3: oklch(54% 0.12 232); /* Steel blue */
  --wheel-seg-4: oklch(61% 0.14 46); /* Muted orange */
  --wheel-seg-5: oklch(39% 0.11 248); /* Ink blue */
  --wheel-seg-6: oklch(73% 0.12 58); /* Pale apricot */
  --wheel-seg-7: oklch(50% 0.1 220); /* Slate blue */
  --wheel-seg-8: oklch(57% 0.15 42); /* Burnt orange */
  --wheel-seg-9: oklch(63% 0.09 235); /* Hazy blue */
  --wheel-seg-10: oklch(78% 0.1 60); /* Soft sand */
  --wheel-seg-11: oklch(47% 0.13 238); /* Royal blue */
  --wheel-seg-12: oklch(69% 0.12 50); /* Toasted peach */
  --wheel-seg-text: oklch(97% 0.005 60);
  --wheel-seg-text-dark: oklch(25% 0.02 60);
  --wheel-seg-border: oklch(98% 0.005 80 / 0.15);

  /* ---- Typography ---- */
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;

  /* App UI type scale (fixed rem — spatial predictability matters) */
  --text-xs: 0.75rem; /* 12px — captions, micro labels */
  --text-sm: 0.875rem; /* 14px — secondary text, labels */
  --text-base: 1rem; /* 16px — body text */
  --text-lg: 1.25rem; /* 20px — panel titles */
  --text-xl: 1.75rem; /* 28px — result display */
  --text-2xl: 2.5rem; /* 40px — hero result */

  /* Line-heights per context */
  --lh-heading: 1.15;
  --lh-body: 1.55;
  --lh-tight: 1.25;

  /* ---- Spacing (4px base) ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* ---- Fluid spacing (scales with viewport) ---- */
  --page-padding-x: clamp(1rem, 3vw, 2.5rem);
  --section-gap: clamp(1.5rem, 4vw, 3rem);
  --panel-gap: clamp(1rem, 2.5vw, 2rem);

  /* ---- Radius ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* ---- Motion ---- */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --duration-fast: 120ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  color-scheme: light;
}

/* ---- Dark mode: semantic token overrides ---- */

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: oklch(13% 0.008 60);
    --color-surface: oklch(20% 0.01 60);
    --color-text: var(--neutral-100);
    --color-text-secondary: var(--neutral-400);
    --color-text-muted: var(--neutral-500);
    --color-text-placeholder: var(--neutral-500);
    --color-border: var(--neutral-700);

    --color-primary: var(--blue-400);
    --color-primary-hover: var(--blue-300);
    --color-accent: var(--orange-400);
    --color-accent-hover: var(--orange-300);
    --color-accent-press: var(--orange-500);
    --color-danger: var(--orange-300);
    --color-danger-hover: var(--orange-200);
    --color-danger-soft: oklch(from var(--orange-300) l c h / 0.14);
    --color-link-inverse: var(--blue-300);
    --color-link-inverse-hover: var(--blue-200);

    --color-success-bg: oklch(20% 0.04 155);
    --color-success-border: oklch(32% 0.08 155);

    --color-surface-inverse: var(--neutral-700);
    --color-text-inverse: var(--neutral-100);
    --color-surface-hover: var(--neutral-700);

    --color-overlay: oklch(10% 0.01 240 / 0.7);
    --color-shadow: oklch(5% 0.01 240 / 0.4);
    --color-shadow-accent: oklch(50% 0.16 40 / 0.25);

    --wheel-center-fill: oklch(20% 0.008 240);
    --wheel-center-stroke: oklch(38% 0.015 240);
    --wheel-ring-stroke: oklch(27% 0.012 240);
    --wheel-empty-fill: oklch(20% 0.008 240);
    --wheel-empty-stroke: oklch(38% 0.015 240);
    --wheel-empty-text: oklch(58% 0.02 240);

    color-scheme: dark;
  }

  /* Reduce font weight in dark mode for optical balance */
  body {
    -webkit-font-smoothing: auto;
  }

  /* Shadows are invisible on dark — use subtle borders for elevation */
  .result-card {
    border: 1px solid var(--color-border);
    box-shadow: 0 16px 60px var(--color-shadow);
  }

  .share-toast {
    background: var(--neutral-700);
    box-shadow: 0 4px 20px var(--color-shadow);
  }

  .btn-spin {
    box-shadow:
      0 2px 0 var(--color-accent-press),
      0 4px 12px var(--color-shadow-accent);
  }

  .btn-spin:hover {
    box-shadow:
      0 3px 0 var(--color-accent-press),
      0 6px 20px var(--color-shadow-accent);
  }

  .btn-spin:active {
    box-shadow:
      0 0 0 var(--color-accent-press),
      0 1px 4px var(--color-shadow-accent);
  }

  ::selection {
    background: var(--blue-700);
    color: var(--blue-100);
  }

  /* Entry surface elevation via border */
  .entry-item {
    border-color: var(--neutral-700);
  }

  /* Entries panel: reduce tint in dark mode for subtlety */
  .entries-panel {
    background: color-mix(
      in oklch,
      var(--color-accent) 1%,
      var(--color-surface)
    );
  }
}

/* =========================================================
   Reset & Base
   ========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-kerning: normal;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--lh-body);
  min-height: 100dvh;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

::selection {
  background: var(--blue-200);
  color: var(--blue-800);
}

/* ---- Focus indicators (keyboard only) ---- */

:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 3px;
}

@media (forced-colors: active) {
  :focus-visible {
    outline: 2px solid Highlight;
    outline-offset: 2px;
  }
}

.entry-input:focus-visible {
  outline: 2px solid var(--blue-400);
  outline-offset: -1px;
  border-color: var(--blue-400);
}

.btn-spin:focus-visible {
  outline-offset: 6px;
  outline-color: var(--blue-400);
}

.btn-spin-again:focus-visible,
.btn-result-share:focus-visible {
  outline-offset: 4px;
}

/* =========================================================
   App Shell
   ========================================================= */

.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ---- Logo (inside entries panel) ---- */

.panel-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.panel-intro {
  margin-bottom: var(--space-5);
  max-width: 34ch;
  font-size: 0.975rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  text-wrap: balance;
}

.panel-intro-lead {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--color-text);
  font-weight: 600;
}

.brand-mark-primary {
  fill: var(--color-primary);
}

.brand-mark-accent {
  fill: var(--color-accent);
}

.brand-mark-center {
  fill: var(--color-surface);
}

.logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: var(--lh-heading);
  color: var(--color-text);
  user-select: none;
}

.logo-accent {
  color: var(--color-accent);
}

/* =========================================================
   Main Layout (side-by-side on desktop, stacked on mobile)
   ========================================================= */

.main-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(280px, 400px) 1fr;
  gap: var(--section-gap);
  padding: var(--space-8) var(--page-padding-x) var(--space-12);
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

/* =========================================================
   Entries Panel (left sidebar)
   ========================================================= */

.entries-panel {
  position: sticky;
  top: var(--space-4);
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  background: color-mix(in oklch, var(--color-accent) 2%, var(--color-surface));
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border);
  contain: layout style;
}

/* ---- Entries panel internal rhythm ---- */

/* Input group: input + hint + error are tightly related */
.entry-input-row {
  margin-bottom: var(--space-1);
}

.entry-input-label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--color-text);
}

.entry-hint {
  margin-bottom: var(--space-5);
}

.entry-error {
  margin-bottom: var(--space-5);
}

/* Entries list: fills remaining space */
.entries-list {
  margin-top: 0;
}

.entries-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  margin-bottom: var(--space-5);
}

.entries-title {
  min-width: 0;
  flex-shrink: 1;
}

.entries-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.entries-panel.has-entries .entries-actions {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.entries-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--lh-heading);
}

.btn-text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--duration-fast) var(--ease-out-quart);
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
}

.btn-text:hover {
  color: var(--color-danger-hover);
}

.btn-text:active {
  color: var(--color-danger);
}

/* ---- Input row ---- */

.entry-input-row {
  display: flex;
  gap: var(--space-2);
  min-width: 0;
}

.entry-input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out-quart);
}

.entry-input::placeholder {
  color: var(--color-text-placeholder);
}

.entry-input:focus {
  border-color: var(--blue-400);
}

.btn-add {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--neutral-50);
  transition:
    background var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.btn-add:hover {
  background: var(--color-primary-hover);
}

.btn-add:active {
  transform: scale(0.94);
}

.btn-add:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- Entry hint ---- */

.entry-hint {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* ---- Entry list ---- */

.entries-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: min(50vh, 400px);
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.entry-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  animation: entry-in 300ms var(--ease-out-expo) both;
  transition: background var(--duration-fast) var(--ease-out-quart);
}

.entry-item:hover {
  background: color-mix(
    in oklch,
    var(--entry-color, transparent) 6%,
    transparent
  );
}

.entry-color-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: var(--entry-color);
}

.entry-label {
  flex: 1;
  min-width: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.entry-remove:hover {
  color: var(--color-danger-hover);
  background: var(--color-danger-soft);
}

.entry-remove:active {
  transform: scale(0.9);
  color: var(--color-danger);
}

/* ---- Share button in header (icon-only) ---- */

.btn-share-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  padding: 0 var(--space-3);
  gap: var(--space-2);
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart);
}

.btn-share-header[hidden],
.btn-text[hidden] {
  display: none;
}

.btn-share-header:hover:not(:disabled) {
  color: var(--color-primary);
  background: oklch(from var(--color-primary) l c h / 0.08);
}

.btn-share-header:active:not(:disabled) {
  transform: scale(0.92);
}

.btn-share-header:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-share-header.copied {
  color: var(--color-success);
}

/* ---- Mute button ---- */
.btn-mute {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  padding: 0 var(--space-3);
  gap: var(--space-2);
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart);
  flex-shrink: 0;
}

.btn-mute:hover {
  color: var(--color-primary);
  background: oklch(from var(--color-primary) l c h / 0.08);
}

.btn-mute:active {
  transform: scale(0.92);
}

.btn-mute .icon-sound-off {
  display: none;
}

.btn-mute.muted .icon-sound-on {
  display: none;
}

.btn-mute.muted .icon-sound-off {
  display: block;
}

.btn-mute.muted {
  color: var(--color-text-muted);
  opacity: 0.45;
}

/* Icon swap: CSS-driven */
.check-icon {
  display: none;
}

.share-label,
.mute-label {
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
}

.copied .share-icon {
  display: none;
}
.copied .check-icon {
  display: inline;
}

/* ---- Share fallback input ---- */

.share-fallback {
  margin-top: var(--space-2);
  animation: entry-in 200ms var(--ease-out-expo) both;
  flex-basis: 100%;
  min-width: 0;
}

.share-fallback-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  background: var(--color-surface);
  border: 1.5px solid var(--blue-200);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.share-fallback-input:focus-visible {
  outline: 2px solid var(--blue-400);
  outline-offset: -1px;
  border-color: var(--blue-400);
}

/* =========================================================
   Wheel Area (center)
   ========================================================= */

.wheel-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
}

.wheel-container {
  position: relative;
  width: clamp(280px, min(760px, 62vw), 760px);
  height: clamp(280px, min(760px, 62vw), 760px);
  border-radius: var(--radius-full);
}

.wheel-container::after {
  content: "";
  position: absolute;
  inset: -10px;
  border: 3px solid var(--color-accent);
  border-radius: inherit;
  opacity: 0;
  transform: scale(0.985);
  transition:
    opacity var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart);
  pointer-events: none;
}

.wheel-container.spinning {
  isolation: isolate;
}

.wheel-container.spinning::after {
  opacity: 1;
  transform: scale(1);
}

#wheel-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ---- Pointer (triangle at top) ---- */

.wheel-pointer {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 30px solid var(--wheel-pointer);
  filter: drop-shadow(0 2px 4px var(--color-shadow));
  z-index: 2;
  transition: transform 60ms var(--ease-out-quart);
}

.wheel-container.spinning .wheel-pointer {
  will-change: transform;
}

/* ---- Spin button ---- */

.btn-spin {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: var(--lh-heading);
  padding: var(--space-4) var(--space-16);
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-on-accent);
  box-shadow:
    0 2px 0 var(--color-accent-press),
    0 4px 12px var(--color-shadow-accent);
  transition:
    transform var(--duration-fast) var(--ease-out-quart),
    box-shadow var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart),
    opacity var(--duration-normal) var(--ease-out-quart);
}

.btn-spin:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow:
    0 3px 0 var(--color-accent-press),
    0 6px 20px var(--color-shadow-accent);
}

.btn-spin:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow:
    0 0 0 var(--color-accent-press),
    0 1px 4px var(--color-shadow-accent);
}

.btn-spin:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* =========================================================
   Result Overlay
   ========================================================= */

.result-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
  margin: 0;
  max-width: none;
  max-height: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-overlay);
  animation: overlay-in 300ms var(--ease-out-expo) both;
}

.result-overlay:not([open]) {
  display: none;
}

.result-overlay::backdrop {
  background: transparent;
}

.result-overlay:focus-visible {
  outline: none;
}

.result-card {
  text-align: center;
  padding: var(--space-10) var(--space-10) var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px var(--color-shadow);
  animation: card-in 400ms var(--ease-out-expo) both;
  animation-delay: 80ms;
  max-width: 480px;
  width: 90vw;
  position: relative;
  overflow: hidden;
}

.result-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: var(--lh-tight);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.result-text {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  line-height: var(--lh-heading);
  margin-bottom: var(--space-6);
  word-break: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.result-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  align-items: center;
}

.btn-spin-again {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: var(--lh-tight);
  padding: var(--space-3) var(--space-10);
  min-height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-on-accent);
  transition:
    background var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.btn-spin-again:hover {
  background: var(--color-accent-hover);
  transform: scale(1.03);
}

.btn-spin-again:active {
  transform: scale(0.97);
}

.btn-result-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart);
}

.btn-result-close:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.btn-result-close:active {
  transform: scale(0.92);
}

.btn-result-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  gap: var(--space-2);
  padding: 0 var(--space-4);
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    border-color var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.btn-result-share:hover {
  color: var(--color-primary);
  border-color: var(--blue-300);
}

.btn-result-share:active {
  transform: scale(0.97);
}

.btn-result-share:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-result-share.copied {
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.spin-status {
  max-width: 34ch;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* =========================================================
   Share Toast
   ========================================================= */

.share-toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface-inverse);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 30px var(--color-shadow);
  opacity: 0;
  pointer-events: none;
  z-index: 200;
  transition:
    opacity var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart);
}

.share-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ---- Entry error message ---- */

.entry-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  animation: entry-in 200ms var(--ease-out-expo) both;
}

.entry-input[aria-invalid="true"] {
  border-color: var(--color-danger-hover);
}

.entry-error[hidden] {
  display: none;
}

/* ---- Undo toast (for Clear all) ---- */

.undo-toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-inverse);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 30px var(--color-shadow);
  opacity: 0;
  pointer-events: none;
  z-index: 200;
  transition:
    opacity var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  max-width: calc(100vw - var(--space-4));
  white-space: normal;
}

.undo-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.undo-toast[hidden] {
  display: none;
}

.btn-undo {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--color-link-inverse);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.btn-undo:hover {
  color: var(--color-link-inverse-hover);
}

.btn-undo:active {
  transform: scale(0.95);
}

/* ---- localStorage restore banner ---- */

.restore-banner {
  position: fixed;
  top: var(--space-5);
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  box-shadow: 0 8px 30px var(--color-shadow);
  opacity: 0;
  pointer-events: none;
  z-index: 150;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition:
    opacity var(--duration-normal) var(--ease-out-quart),
    transform var(--duration-normal) var(--ease-out-quart);
  max-width: calc(100vw - var(--space-4));
  flex-wrap: wrap;
  justify-content: center;
}

.restore-banner.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.restore-banner[hidden] {
  display: none;
}

.btn-restore {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
}

.btn-restore:hover {
  color: var(--color-primary-hover);
}

.btn-restore:active {
  transform: scale(0.95);
}

.btn-dismiss-restore:hover {
  color: var(--color-text);
  background: var(--color-surface-hover);
}

.btn-dismiss-restore:active {
  background: var(--neutral-200);
}

.btn-dismiss-restore {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart);
}

.btn-dismiss-restore:hover {
  color: var(--color-text);
  background: var(--neutral-100);
}

@media (prefers-color-scheme: dark) {
  .restore-banner {
    border-color: var(--neutral-700);
  }

  .btn-dismiss-restore:hover {
    background: var(--color-surface-hover);
  }
}

/* =========================================================
    Utilities
    ========================================================= */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
/* ---- Skip link ---- */
.skip-link {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  text-decoration: none;
  translate: 0 -200%;
  transition: translate var(--duration-fast) var(--ease-out-quart);
}

.skip-link:focus {
  translate: 0 0;
}

/* =========================================================
   Animations
   ========================================================= */

@keyframes entry-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes overlay-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes input-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-4px);
  }
  40% {
    transform: translateX(4px);
  }
  60% {
    transform: translateX(-3px);
  }
  80% {
    transform: translateX(2px);
  }
}

.entry-input-row .entry-input.shake {
  animation: input-shake 350ms var(--ease-out-quart);
  border-color: var(--orange-400);
}

.entries-limit {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: right;
  padding-right: var(--space-1);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quart);
}

.entries-limit.visible {
  opacity: 1;
}

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

/* =========================================================
   Responsive
   ========================================================= */

/* ---- Large desktop (>= 1400px): maximize use of screen real estate ---- */

@media (min-width: 1400px) {
  .main-layout {
    grid-template-columns: minmax(320px, 460px) 1fr;
    padding: var(--space-10) var(--page-padding-x) var(--space-16);
  }

  .entries-panel {
    padding: var(--space-8);
  }

  .entries-list {
    max-height: min(60vh, 560px);
  }

  .btn-spin {
    font-size: var(--text-xl);
    padding: var(--space-5) var(--space-16);
  }

  .wheel-area {
    padding-top: var(--space-10);
    gap: var(--space-6);
  }
}

/* ---- Tablet (768px - 1024px): narrower side-by-side ---- */

@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: minmax(260px, 340px) 1fr;
    gap: var(--space-6);
    padding: 0 var(--space-6) var(--space-10);
    max-width: 1024px;
  }

  .wheel-container {
    width: clamp(260px, min(520px, 55vw), 520px);
    height: clamp(260px, min(520px, 55vw), 520px);
  }
}

/* ---- Mobile (< 840px): stacked, compose first ---- */

@media (max-width: 840px) {
  .main-layout {
    grid-template-columns: 1fr;
    padding: 0 var(--space-5)
      calc(var(--space-16) + var(--space-12) + env(safe-area-inset-bottom));
    gap: var(--space-6);
  }

  /* Mobile is compose-first: keep add flow above result mechanism. */
  .entries-panel {
    position: static;
    order: -1;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .panel-logo {
    margin-bottom: var(--space-2);
  }

  .panel-intro {
    margin-bottom: var(--space-3);
    max-width: none;
    font-size: var(--text-sm);
  }

  .entries-header {
    order: 5;
    margin-bottom: var(--space-2);
  }

  .entry-input-label {
    order: 1;
    margin-bottom: var(--space-1);
  }

  .entry-input-row {
    order: 2;
  }

  .entry-hint {
    order: 3;
    margin-bottom: 0;
  }

  .entry-error {
    order: 4;
    margin-bottom: 0;
  }

  .entries-list {
    order: 6;
    max-height: clamp(160px, 30vh, 260px);
  }

  .wheel-container {
    width: clamp(240px, min(400px, 75vw), 400px);
    height: clamp(240px, min(400px, 75vw), 400px);
  }

  .wheel-area {
    gap: var(--space-3);
    padding-top: 0;
  }

  .btn-spin {
    position: fixed;
    left: 50%;
    bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
    transform: translateX(-50%);
    width: min(calc(100vw - (var(--space-5) * 2)), 32rem);
    padding: var(--space-4) var(--space-6);
    z-index: 120;
  }

  .btn-spin:hover:not(:disabled) {
    transform: translateX(-50%);
  }

  .btn-spin:active:not(:disabled) {
    transform: translateX(-50%) translateY(2px);
  }

  .spin-status {
    max-width: none;
    padding-inline: var(--space-3);
  }

  .share-toast,
  .undo-toast {
    bottom: calc(var(--space-16) + var(--space-8) + env(safe-area-inset-bottom));
  }

  .restore-banner {
    top: calc(var(--space-3) + env(safe-area-inset-top));
  }

  .result-overlay {
    align-items: end;
    padding: var(--space-3);
  }

  .result-card {
    width: min(34rem, 100%);
    max-width: none;
    padding: var(--space-8) var(--space-5)
      calc(var(--space-6) + env(safe-area-inset-bottom));
    border-radius: calc(var(--radius-lg) + 4px) calc(var(--radius-lg) + 4px)
      var(--radius-lg) var(--radius-lg);
  }
}

/* ---- Small mobile (< 480px): compact layout ---- */

@media (max-width: 480px) {
  .main-layout {
    gap: var(--space-5);
    padding-bottom: calc(
      var(--space-16) + var(--space-12) + env(safe-area-inset-bottom)
    );
  }

  .btn-spin {
    width: calc(100vw - (var(--space-4) * 2));
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
  }

  .result-card {
    padding: var(--space-8) var(--space-6)
      calc(var(--space-6) + env(safe-area-inset-bottom));
  }

  .result-text {
    font-size: var(--text-xl);
  }

  .entries-actions {
    width: 100%;
    justify-content: space-between;
    gap: var(--space-2);
  }

  .btn-share-header,
  .btn-mute,
  .btn-text {
    flex: 1 1 0;
    min-width: 0;
  }

  .btn-share-header,
  .btn-mute {
    justify-content: center;
  }

  .share-label,
  .mute-label {
    font-size: var(--text-sm);
  }

  .wheel-container {
    width: clamp(220px, min(340px, 80vw), 340px);
    height: clamp(220px, min(340px, 80vw), 340px);
  }
}

/* ---- Very small screens (< 360px): ultra-compact ---- */

@media (max-width: 360px) {
  .main-layout {
    padding: 0 var(--space-3)
      calc(var(--space-16) + var(--space-10) + env(safe-area-inset-bottom));
  }

  .logo {
    font-size: var(--text-base);
  }

  .btn-spin {
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-sm);
  }

  .result-card {
    padding: var(--space-6) var(--space-4)
      calc(var(--space-5) + env(safe-area-inset-bottom));
    width: 95vw;
  }

  .result-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .result-actions button {
    width: 100%;
  }

  .wheel-container {
    width: clamp(200px, min(280px, 85vw), 280px);
    height: clamp(200px, min(280px, 85vw), 280px);
  }
}

/* ---- Landscape orientation on mobile: maximize vertical space ---- */

@media (max-height: 500px) and (orientation: landscape) {
  .main-layout {
    grid-template-columns: minmax(240px, 280px) 1fr;
    grid-template-rows: 1fr;
    padding: var(--space-2) var(--space-5);
    gap: var(--space-4);
    align-items: center;
  }

  .wheel-area {
    order: 0;
  }

  .entries-panel {
    position: static;
    max-height: 80vh;
    overflow-y: auto;
  }

  .entries-list {
    max-height: 50vh;
  }

  .wheel-container {
    width: clamp(180px, min(320px, 45vh), 320px);
    height: clamp(180px, min(320px, 45vh), 320px);
  }

  .btn-spin {
    position: static;
    left: auto;
    bottom: auto;
    width: auto;
    transform: none;
    padding: var(--space-2) var(--space-10);
    font-size: var(--text-base);
  }

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

  .btn-spin:active:not(:disabled) {
    transform: translateY(2px);
  }

  .share-toast,
  .undo-toast {
    bottom: var(--space-4);
  }

  .result-overlay {
    align-items: center;
    padding: 0;
  }

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