:root {
  color-scheme: light dark;
  --bg: #f4f6fb;
  --bg-secondary: rgba(255, 255, 255, 0.7);
  --surface: rgba(255, 255, 255, 0.56);
  --surface-strong: rgba(255, 255, 255, 0.82);
  --surface-soft: rgba(255, 255, 255, 0.42);
  --ink: #101522;
  --muted: #58647a;
  --line: rgba(18, 31, 54, 0.1);
  --line-strong: rgba(18, 31, 54, 0.18);
  --accent: #2e5bff;
  --accent-strong: #1e42cd;
  --accent-soft: rgba(46, 91, 255, 0.12);
  --success: #157351;
  --danger: #c43a5c;
  --glow-a: rgba(92, 122, 255, 0.26);
  --glow-b: rgba(91, 219, 194, 0.22);
  --pointer: #101522;
  --pointer-core: #f5f8ff;
  --canvas-ring: rgba(255, 255, 255, 0.62);
  --canvas-hub-outer: rgba(255, 255, 255, 0.92);
  --canvas-text: #f9fbff;
  --canvas-empty-fill: rgba(222, 230, 243, 0.9);
  --canvas-empty-text: #53637b;
  --shadow-lg: 0 28px 80px rgba(13, 22, 42, 0.16);
  --shadow-md: 0 16px 42px rgba(13, 22, 42, 0.12);
  --radius-xl: 40px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --font-body: "Avenir Next", "SF Pro Display", "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  --bg: #091220;
  --bg-secondary: rgba(11, 20, 37, 0.82);
  --surface: rgba(14, 24, 42, 0.64);
  --surface-strong: rgba(16, 28, 50, 0.84);
  --surface-soft: rgba(255, 255, 255, 0.05);
  --ink: #f3f7ff;
  --muted: #97a5bf;
  --line: rgba(221, 230, 255, 0.08);
  --line-strong: rgba(221, 230, 255, 0.18);
  --accent: #7d9fff;
  --accent-strong: #5d7cff;
  --accent-soft: rgba(125, 159, 255, 0.16);
  --success: #57d9a4;
  --danger: #ff7e9a;
  --glow-a: rgba(87, 122, 255, 0.26);
  --glow-b: rgba(52, 174, 151, 0.22);
  --pointer: #eff4ff;
  --pointer-core: #0d1630;
  --canvas-ring: rgba(255, 255, 255, 0.12);
  --canvas-hub-outer: rgba(235, 241, 255, 0.92);
  --canvas-text: #f9fbff;
  --canvas-empty-fill: rgba(32, 47, 74, 0.94);
  --canvas-empty-text: #bfd0f7;
  --shadow-lg: 0 32px 120px rgba(0, 0, 0, 0.38);
  --shadow-md: 0 18px 54px rgba(0, 0, 0, 0.26);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #091220;
    --bg-secondary: rgba(11, 20, 37, 0.82);
    --surface: rgba(14, 24, 42, 0.64);
    --surface-strong: rgba(16, 28, 50, 0.84);
    --surface-soft: rgba(255, 255, 255, 0.05);
    --ink: #f3f7ff;
    --muted: #97a5bf;
    --line: rgba(221, 230, 255, 0.08);
    --line-strong: rgba(221, 230, 255, 0.18);
    --accent: #7d9fff;
    --accent-strong: #5d7cff;
    --accent-soft: rgba(125, 159, 255, 0.16);
    --success: #57d9a4;
    --danger: #ff7e9a;
    --glow-a: rgba(87, 122, 255, 0.26);
    --glow-b: rgba(52, 174, 151, 0.22);
    --pointer: #eff4ff;
    --pointer-core: #0d1630;
    --canvas-ring: rgba(255, 255, 255, 0.12);
    --canvas-hub-outer: rgba(235, 241, 255, 0.92);
    --canvas-text: #f9fbff;
    --canvas-empty-fill: rgba(32, 47, 74, 0.94);
    --canvas-empty-text: #bfd0f7;
    --shadow-lg: 0 32px 120px rgba(0, 0, 0, 0.38);
    --shadow-md: 0 18px 54px rgba(0, 0, 0, 0.26);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 18%, var(--glow-a), transparent 25%),
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.14), transparent 16%),
    radial-gradient(circle at 80% 76%, var(--glow-b), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0)),
    var(--bg);
}

body.modal-open {
  overflow: hidden;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  background: none;
}

.page-shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.brand-lockup h1,
.modal-header h2,
.section-header h3 {
  margin: 0;
}

.brand-english {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-lockup h1 {
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-md);
  gap: 4px;
}

.volume-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 188px;
  padding: 6px 8px 6px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-md);
}

.volume-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--ink);
  background: color-mix(in srgb, var(--surface-soft) 82%, transparent);
  border: 1px solid color-mix(in srgb, var(--line) 86%, transparent);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.volume-toggle:hover {
  transform: translateY(-1px);
}

.volume-toggle.is-muted {
  color: var(--muted);
}

.volume-slider-wrap {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  flex: 1;
}

.volume-slider {
  --volume-progress: 65%;
  width: 100%;
  height: 6px;
  margin: 0;
  border-radius: 999px;
  outline: none;
  background:
    linear-gradient(
      90deg,
      var(--accent) 0%,
      var(--accent) var(--volume-progress),
      color-mix(in srgb, var(--line-strong) 92%, transparent) var(--volume-progress),
      color-mix(in srgb, var(--line-strong) 92%, transparent) 100%
    );
  -webkit-appearance: none;
  appearance: none;
}

.volume-slider::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 0;
  background: #fbfdff;
  box-shadow: 0 6px 16px rgba(20, 43, 95, 0.22);
  -webkit-appearance: none;
  appearance: none;
}

.volume-slider::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: transparent;
}

.volume-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 0;
  border-radius: 50%;
  background: #fbfdff;
  box-shadow: 0 6px 16px rgba(20, 43, 95, 0.22);
}

.theme-button,
.chip-button,
.ghost-button,
.secondary-button,
.icon-button,
.text-danger,
.hub-button {
  cursor: pointer;
  transition:
    transform 180ms ease,
    opacity 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.theme-button,
.chip-button,
.ghost-button,
.secondary-button {
  border-radius: 999px;
}

.theme-button {
  padding: 8px 12px;
  color: var(--muted);
}

.theme-button.is-active,
.chip-button.is-active {
  color: #fbfdff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 24px rgba(46, 91, 255, 0.22);
}

.ghost-button,
.secondary-button {
  padding: 12px 16px;
  border: 1px solid var(--line);
  color: var(--ink);
}

.ghost-button {
  background: transparent;
}

.secondary-button {
  background: var(--surface-strong);
}

.main-stage {
  margin-top: 28px;
}

.wheel-scene {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
  padding: 28px 24px 24px;
}

.scene-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(18px);
}

.scene-glow-a {
  inset: auto auto 16% 2%;
  width: 260px;
  height: 260px;
  background: var(--glow-a);
}

.scene-glow-b {
  inset: 6% 0 auto auto;
  width: 260px;
  height: 260px;
  background: var(--glow-b);
}

.wheel-stage {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 20px;
}

.wheel-frame {
  position: relative;
  width: min(100%, 720px);
  aspect-ratio: 1 / 1;
}

.wheel-frame::before {
  content: "";
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0) 68%);
  filter: blur(12px);
}

.wheel-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  filter: drop-shadow(0 26px 56px rgba(10, 18, 34, 0.22));
  transition: transform 5.8s cubic-bezier(0.12, 0.84, 0.16, 1);
  will-change: transform;
}

.pointer-marker {
  position: absolute;
  top: 1.2%;
  left: 50%;
  width: 68px;
  height: 86px;
  transform: translateX(-50%);
  color: var(--pointer);
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.18));
  z-index: 3;
}

.pointer-marker svg {
  display: block;
  width: 100%;
  height: 100%;
}

.hub-button {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: clamp(132px, 18vw, 168px);
  height: clamp(132px, 18vw, 168px);
  border-radius: 50%;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(232, 240, 255, 0.92)),
    var(--canvas-hub-outer);
  color: var(--accent-strong);
  font-size: clamp(1.3rem, 2.3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  box-shadow:
    0 20px 36px rgba(20, 43, 95, 0.2),
    inset 0 2px 8px rgba(255, 255, 255, 0.68);
}

:root[data-theme="dark"] .hub-button {
  background:
    linear-gradient(160deg, rgba(244, 248, 255, 0.96), rgba(210, 224, 255, 0.92)),
    var(--canvas-hub-outer);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hub-button {
    background:
      linear-gradient(160deg, rgba(244, 248, 255, 0.96), rgba(210, 224, 255, 0.92)),
      var(--canvas-hub-outer);
  }
}

.hub-button:hover,
.theme-button:hover,
.chip-button:hover,
.ghost-button:hover,
.secondary-button:hover,
.icon-button:hover,
.text-danger:hover {
  transform: translateY(-1px);
}

.hub-button:hover {
  transform: translate(-50%, -50%) scale(1.02);
}

.theme-button:hover {
  transform: translateY(0);
}

.hub-button:disabled,
.theme-button:disabled,
.chip-button:disabled,
.ghost-button:disabled,
.secondary-button:disabled,
.icon-button:disabled,
.text-danger:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.hub-button:disabled {
  transform: translate(-50%, -50%);
}

.chip-button:disabled {
  background: color-mix(in srgb, var(--surface-soft) 88%, transparent);
  color: color-mix(in srgb, var(--muted) 78%, transparent);
  border-color: color-mix(in srgb, var(--line) 92%, transparent);
  box-shadow: none;
}

.result-wrap {
  text-align: center;
}

.result-text {
  margin: 0;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.status-text,
.selection-summary,
.editor-meta {
  color: var(--muted);
}

.status-text {
  margin: 12px 0 0;
  min-height: 24px;
  line-height: 1.55;
}

.floating-error {
  position: relative;
  z-index: 1;
  width: min(640px, 100%);
  margin: 18px auto 0;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--danger) 24%, transparent);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  text-align: center;
}

.active-list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.active-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.active-swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.active-weight {
  color: var(--muted);
  font-size: 0.92rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(6, 12, 24, 0.48);
  backdrop-filter: blur(16px);
}

.modal-backdrop[hidden] {
  display: none;
}

.result-backdrop {
  position: fixed;
  inset: 0;
  z-index: 24;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(6, 12, 24, 0.34);
  backdrop-filter: blur(14px);
}

.result-backdrop[hidden] {
  display: none;
}

.modal-panel {
  width: min(1120px, 100%);
  max-height: min(88vh, 980px);
  overflow: auto;
  border-radius: 34px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.result-panel {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  min-height: 240px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  padding: 48px 28px 40px;
  border-radius: 32px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 20% 18%, var(--glow-a), transparent 34%),
    radial-gradient(circle at 84% 78%, var(--glow-b), transparent 32%),
    linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow-lg);
  text-align: center;
  overflow: hidden;
}

.result-panel::before {
  content: "";
  position: absolute;
  inset: auto -12% -42% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  filter: blur(8px);
  pointer-events: none;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1;
}

.result-winner {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  font-weight: 800;
  color: var(--ink);
}

.result-panel-reset {
  gap: 14px;
}

.reset-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 800;
  color: var(--ink);
}

.reset-copy {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.result-action {
  min-width: 144px;
}

.result-action-primary {
  background: var(--surface-strong);
}

.selection-panel {
  margin-top: 20px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--bg-secondary);
}

.selection-group + .selection-group {
  margin-top: 16px;
}

.group-title {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-button {
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--ink);
}

.chip-button.chip-button-danger {
  border-color: color-mix(in srgb, var(--danger) 28%, transparent);
  background: color-mix(in srgb, var(--danger) 10%, var(--surface-soft));
  color: var(--danger);
}

.chip-button.chip-button-danger:hover {
  background: color-mix(in srgb, var(--danger) 16%, var(--surface-soft));
}

.selection-summary {
  margin: 14px 0 0;
  line-height: 1.55;
}

.modal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.modal-section {
  padding: 20px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--bg-secondary);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.editor-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.editor-card {
  padding: 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.editor-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.editor-head h4 {
  margin: 0;
  font-size: 1.02rem;
}

.editor-meta {
  margin: 8px 0 0;
  font-size: 0.9rem;
}

.editor-controls {
  margin-top: 16px;
}

.editor-controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.editor-controls-grid-wide {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field-grow {
  flex: 1;
}

.field > span {
  color: var(--muted);
  font-size: 0.88rem;
}

.field input[type="text"],
.field input[type="number"],
.field input[type="color"],
.field select {
  width: 100%;
  min-height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: var(--bg-secondary);
  color: var(--ink);
  padding: 12px 14px;
}

.field input[type="color"] {
  padding: 4px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}

.switch input {
  width: 18px;
  height: 18px;
  accent-color: var(--success);
}

.text-danger {
  padding: 10px 0;
  color: var(--danger);
  font-weight: 700;
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 980px) {
  .topbar,
  .toolbar,
  .modal-grid,
  .editor-head {
    flex-direction: column;
  }

  .toolbar {
    align-items: flex-start;
  }

  .volume-control {
    min-width: 208px;
  }

  .modal-grid {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 1240px);
    padding: 18px 0 34px;
  }

  .wheel-scene {
    padding: 20px 12px 18px;
    border-radius: 28px;
  }

  .volume-control {
    width: min(100%, 280px);
  }

  .wheel-frame {
    width: min(100%, 560px);
  }

  .hub-button {
    width: 128px;
    height: 128px;
  }

  .modal-panel {
    padding: 18px;
    border-radius: 24px;
  }

  .result-panel {
    min-height: 220px;
    padding: 34px 18px 24px;
    border-radius: 24px;
  }

  .editor-controls-grid,
  .editor-controls-grid-wide {
    grid-template-columns: 1fr;
  }

  .result-actions {
    width: 100%;
  }

  .result-action {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wheel-canvas,
  .theme-button,
  .chip-button,
  .ghost-button,
  .secondary-button,
  .icon-button,
  .text-danger,
  .hub-button {
    transition: none;
  }
}