:root {
  --bg: #10140f;
  --bg-elevated: #171c15;
  --ink: #eef3e6;
  --muted: #9aa891;
  --line: rgba(238, 243, 230, 0.12);
  --accent: #d6ff4f;
  --accent-ink: #12160d;
  --boost: #d6ff4f;
  --drop: #7ec8ff;
  --mood: #ffb86b;
  --perfect: #eef3e6;
  --classic: #ffe566;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --radius: 18px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --touch: 44px;
  --page-pad: max(1rem, env(safe-area-inset-left));
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background: var(--bg);
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom);
}

a {
  color: var(--accent);
}

button,
select {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 55% at 15% -10%, rgba(214, 255, 79, 0.16), transparent 55%),
    radial-gradient(ellipse 60% 45% at 90% 10%, rgba(62, 207, 154, 0.14), transparent 50%),
    radial-gradient(ellipse 50% 40% at 70% 90%, rgba(59, 125, 221, 0.12), transparent 55%),
    linear-gradient(180deg, #141a12 0%, #0d110c 45%, #10140f 100%);
  animation: atmosphere-drift 18s ease-in-out infinite alternate;
}

@keyframes atmosphere-drift {
  from {
    filter: hue-rotate(0deg) saturate(1);
    transform: scale(1);
  }
  to {
    filter: hue-rotate(12deg) saturate(1.08);
    transform: scale(1.03);
  }
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 2 * var(--page-pad)));
  margin-inline: auto;
}

.site-header {
  padding: 1.5rem 0 0.35rem;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 3.5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
  background: linear-gradient(120deg, #f4ffe0 10%, var(--accent) 45%, #3ecf9a 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0.75rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1rem;
}

.stage,
.booth {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(280px, 1.05fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: start;
  padding: 1.25rem 0 2rem;
}

.booth {
  grid-template-areas:
    "wheel copy"
    "classic copy";
}

.booth .wheel-wrap {
  grid-area: wheel;
}

.booth .classic-panel {
  grid-area: classic;
  position: static;
}

.booth .stage-copy {
  grid-area: copy;
}

.wheel-wrap {
  position: relative;
  aspect-ratio: 1;
  width: min(100%, 460px);
  margin-inline: auto;
}

.stage-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.lede {
  margin: 0 0 1.15rem;
  color: var(--muted);
  max-width: 34rem;
}

.picker {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.picker-block {
  display: grid;
  gap: 0.4rem;
}

.field-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.key-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.key-chip {
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0.55rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--chip-color, #888) 22%, var(--bg-elevated));
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}

.key-chip.is-active {
  border-color: var(--accent);
  background: var(--chip-color, var(--accent));
  color: var(--accent-ink);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);
}

.key-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.field-select {
  display: grid;
  gap: 0.4rem;
  max-width: 22rem;
}

select {
  appearance: none;
  width: 100%;
  min-height: var(--touch);
  padding: 0.85rem 2.75rem 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%) calc(100% - 1.35rem) calc(50% - 0.2rem) / 0.4rem 0.4rem no-repeat,
    linear-gradient(135deg, transparent 50%, var(--ink) 50%) calc(100% - 1.05rem) calc(50% - 0.2rem) / 0.4rem 0.4rem no-repeat,
    var(--bg-elevated);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

select:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

.hint {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  min-height: 1.3em;
}

.wheel-glow {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214, 255, 79, 0.18), transparent 68%);
  filter: blur(8px);
  animation: glow-pulse 4.5s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

.wheel {
  width: 100%;
  height: 100%;
  filter: drop-shadow(var(--shadow));
}

.wheel-segment {
  cursor: pointer;
  transition: opacity 0.2s ease, filter 0.2s ease;
}

.wheel-segment path {
  transition: stroke 0.15s ease, stroke-width 0.15s ease;
}

.wheel-segment text {
  pointer-events: none;
  font-family: var(--font-display);
  font-weight: 700;
  fill: rgba(10, 14, 10, 0.9);
}

.wheel-segment.is-dim {
  opacity: 0.22;
}

.wheel-segment.is-current {
  filter: brightness(1.18) drop-shadow(0 0 10px rgba(255, 255, 255, 0.35));
}

.wheel-segment.is-current path {
  stroke: #fff;
  stroke-width: 3.25;
  paint-order: stroke fill;
}

.wheel-segment.is-classic {
  opacity: 1;
  filter: brightness(1.08) drop-shadow(0 0 8px rgba(255, 229, 102, 0.45));
}

.wheel-segment.is-classic path {
  stroke: var(--classic);
  stroke-width: 2.5;
  paint-order: stroke fill;
}

.wheel-segment.is-suggest {
  opacity: 1;
  filter: brightness(1.05);
}

.wheel-segment:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.wheel-center {
  position: absolute;
  inset: 33%;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 50%;
  background: rgba(16, 20, 15, 0.92);
  border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.wheel-center-code {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.wheel-center-note {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.clear-key {
  position: absolute;
  left: 50%;
  bottom: 2.5%;
  transform: translateX(-50%);
  z-index: 2;
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(16, 20, 15, 0.92);
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.clear-key:hover,
.clear-key:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.clear-key[hidden],
.clear-key-inline[hidden] {
  display: none;
}

.now-playing-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.now-playing-bar h1 {
  margin: 0;
}

.clear-key-inline {
  position: static;
  transform: none;
  left: auto;
  bottom: auto;
  flex-shrink: 0;
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

.results {
  padding: 0.25rem 0 2.5rem;
}

.results[hidden] {
  display: none;
}

.library {
  padding: 0.25rem 0 2.25rem;
  border-top: 1px solid var(--line);
}

.library-head h2,
.library-matches-head h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.library-head p,
.library-matches-head p,
.library-help,
.library-status,
.library-search-status,
.library-help-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.library-help,
.library-help-panel {
  margin-top: 0.85rem;
}

.library-help-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(238, 243, 230, 0.03);
  padding: 0.55rem 0.85rem 0.75rem;
}

.library-help-panel summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

.library-help-panel summary::-webkit-details-marker {
  display: none;
}

.library-help-panel summary::before {
  content: "▸ ";
  color: var(--accent);
}

.library-help-panel[open] summary::before {
  content: "▾ ";
}

.library-help-body {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.library-help code,
.library-help-body code {
  display: inline-block;
  margin-top: 0.15rem;
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  background: rgba(238, 243, 230, 0.06);
  color: var(--ink);
  font-size: 0.82rem;
}

.library-browse {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 28, 21, 0.55);
}

.library-browse-head {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.library-search-field {
  display: grid;
  gap: 0.3rem;
}

.library-search-field input {
  min-height: 2.6rem;
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--ink);
  font: inherit;
  padding: 0.45rem 0.8rem;
}

.library-search-field input:focus {
  outline: 2px solid rgba(214, 255, 79, 0.35);
  outline-offset: 1px;
  border-color: rgba(214, 255, 79, 0.45);
}

.library-search-status {
  font-size: 0.88rem;
}

.track-row:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.track-row:disabled:hover {
  border-color: transparent;
  background: rgba(238, 243, 230, 0.03);
  transform: none;
}

.library-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.file-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(238, 243, 230, 0.04);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.file-btn {
  border-color: rgba(214, 255, 79, 0.35);
  background: linear-gradient(135deg, rgba(214, 255, 79, 0.18), rgba(62, 207, 154, 0.12));
}

.file-btn:hover,
.ghost-btn:hover {
  border-color: rgba(214, 255, 79, 0.55);
  background: rgba(214, 255, 79, 0.12);
}

.ghost-btn.danger:hover {
  border-color: rgba(226, 59, 59, 0.55);
  background: rgba(226, 59, 59, 0.12);
}

.library-status {
  margin-top: 0.85rem;
  color: var(--ink);
}

.library-matches {
  margin-top: 1.35rem;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 28, 21, 0.72);
}

.library-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: end;
  margin: 0.85rem 0 0.75rem;
}

.filter-check {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
  cursor: pointer;
}

.field-inline {
  display: grid;
  gap: 0.25rem;
  min-width: min(100%, 14rem);
}

.field-inline select {
  min-height: 2.4rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--ink);
  font: inherit;
  padding: 0.35rem 0.65rem;
}

.track-list {
  display: grid;
  gap: 0.45rem;
  max-height: 22rem;
  overflow: auto;
  padding-right: 0.15rem;
}

.track-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: rgba(238, 243, 230, 0.03);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.track-row:hover {
  border-color: rgba(214, 255, 79, 0.28);
  background: rgba(214, 255, 79, 0.08);
  transform: translateY(-1px);
}

.track-main {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.track-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-artist,
.track-meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.track-meta {
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .track-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .track-meta {
    text-align: left;
    white-space: normal;
  }
}

.classic-panel {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1.35rem;
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--classic) 35%, var(--line));
  border-radius: var(--radius);
  background: color-mix(in srgb, #1a1f12 92%, var(--classic));
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.classic-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--classic);
}

.classic-panel h2,
.classic-heading {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  letter-spacing: -0.03em;
}

.classic-panel-copy p:last-child,
.classic-blurb {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.classic-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.classic-empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.results-head h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -0.03em;
}

.results-head p {
  margin: 0 0 1.15rem;
  color: var(--muted);
  max-width: 42rem;
}

.legend-classic {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--classic) 55%, transparent);
  color: var(--classic);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 0.75rem;
}

.category {
  padding: 0.95rem 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
}

.category-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.3rem;
}

.category-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.energy-chip {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  opacity: 0.9;
  flex-shrink: 0;
}

.category[data-tone="perfect"] .category-label,
.category[data-tone="perfect"] .energy-chip {
  color: var(--perfect);
}

.category[data-tone="boost"] .category-label,
.category[data-tone="boost"] .energy-chip {
  color: var(--boost);
}

.category[data-tone="drop"] .category-label,
.category[data-tone="drop"] .energy-chip {
  color: var(--drop);
}

.category[data-tone="mood"] .category-label,
.category[data-tone="mood"] .energy-chip {
  color: var(--mood);
}

.category-desc {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.key-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.key-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: var(--touch);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.key-pill.is-large {
  min-height: 48px;
  padding: 0.65rem 1rem;
  font-size: 1.05rem;
}

.key-pill:hover,
.key-pill:focus-visible {
  transform: translateY(-1px);
  outline: none;
  filter: brightness(1.08);
}

.key-pill.is-alt {
  background: transparent !important;
  border-color: color-mix(in srgb, var(--ink) 28%, transparent);
  color: var(--ink);
}

.key-pill.is-classic:not(.is-alt) {
  box-shadow: inset 0 0 0 2px rgba(18, 22, 13, 0.35), 0 0 0 2px color-mix(in srgb, var(--classic) 70%, transparent);
}

.fx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.15em;
  padding: 0.1rem 0.28rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
  background: rgba(18, 22, 13, 0.28);
}

.fx-boost {
  color: var(--boost);
}

.fx-drop {
  color: var(--drop);
}

.fx-mood {
  color: var(--mood);
}

.fx-stable {
  color: var(--perfect);
}

.classic-blurb .fx {
  background: rgba(18, 22, 13, 0.45);
  vertical-align: middle;
}

.classic-badge {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  background: rgba(18, 22, 13, 0.22);
  color: inherit;
}

.explain {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.explain h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  letter-spacing: -0.03em;
}

.explain-copy {
  max-width: 46rem;
  margin-bottom: 1.15rem;
}

.explain-copy p {
  margin: 0;
  color: var(--muted);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.insight {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
}

.insight h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.insight p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.insight[data-tone="perfect"] h3 {
  color: var(--perfect);
}

.insight[data-tone="boost"] h3 {
  color: var(--boost);
}

.insight[data-tone="drop"] h3 {
  color: var(--drop);
}

.insight[data-tone="mood"] h3 {
  color: var(--mood);
}

.table-section-head {
  margin-bottom: 0.75rem;
}

.subhead {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.table-section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
}

.transition-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.transition-table th,
.transition-table td {
  padding: 0.75rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.transition-table thead th {
  position: sticky;
  top: 0;
  background: #1a2118;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.transition-table thead th[data-tone="boost"] {
  color: var(--boost);
}

.transition-table thead th[data-tone="drop"] {
  color: var(--drop);
}

.transition-table thead th[data-tone="mood"] {
  color: var(--mood);
}

.transition-table thead th[data-tone="perfect"] {
  color: var(--perfect);
}

.transition-table tbody th {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.transition-table td {
  color: var(--ink);
  font-weight: 600;
}

.pro-panel {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.pro-panel-head h2 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -0.03em;
}

.pro-panel-head p {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 42rem;
}

.pro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 0.75rem;
}

.pro-card {
  padding: 0.95rem 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
}

.pro-card h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.pro-card p {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.lessons {
  padding: 0 0 3rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.lessons h2 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  letter-spacing: -0.03em;
}

.lessons-lede {
  margin: 0 0 1.1rem;
  color: var(--muted);
  max-width: 42rem;
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 0.75rem;
}

.lesson {
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
}

.lesson h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.lesson p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 0 0 calc(2rem + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  :root {
    --page-pad: max(0.65rem, env(safe-area-inset-left));
    --touch: 46px;
  }

  .site-header {
    padding: 0.55rem 0 0.15rem;
  }

  .brand {
    font-size: 1.15rem;
    letter-spacing: -0.02em;
  }

  .tagline,
  .lede,
  .field-select,
  .hint,
  .category-desc {
    display: none;
  }

  .classic-blurb {
    display: block;
    font-size: 0.78rem;
  }

  .stage,
  .booth,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .booth {
    grid-template-areas:
      "wheel"
      "classic"
      "copy";
    gap: 0.65rem;
    padding: 0.35rem 0 0.85rem;
  }

  .booth .classic-panel {
    position: sticky;
    z-index: 5;
  }

  .wheel-wrap {
    width: min(100%, 92vw);
    max-width: 420px;
  }

  .wheel-center {
    inset: 30%;
  }

  .wheel-center-code {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .stage-copy h1 {
    margin: 0;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 700;
  }

  .now-playing-bar {
    margin-bottom: 0.4rem;
  }

  .picker {
    gap: 0.55rem;
    margin-bottom: 0.25rem;
  }

  .key-chip {
    min-height: var(--touch);
    min-width: 3rem;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
  }

  .classic-panel {
    top: env(safe-area-inset-top);
    margin-inline: calc(-1 * var(--page-pad));
    width: calc(100% + 2 * var(--page-pad));
    border-radius: 0;
    border-left: none;
    border-right: none;
    padding: 0.75rem 0.85rem 0.85rem;
    gap: 0.55rem;
  }

  .classic-kicker {
    margin-bottom: 0;
    font-size: 0.68rem;
  }

  .classic-heading {
    font-size: 1.05rem;
  }

  .classic-keys .key-pill.is-large {
    min-height: 52px;
    padding: 0.7rem 1.05rem;
    font-size: 1.15rem;
  }

  .results {
    padding-top: 0;
  }

  .results-head h2 {
    font-size: 1.15rem;
  }

  .results-head p {
    font-size: 0.85rem;
    margin-bottom: 0.85rem;
  }
}

@media (max-width: 860px) and (orientation: landscape) {
  .booth {
    grid-template-columns: minmax(220px, 42vw) 1fr;
    grid-template-areas:
      "wheel classic"
      "wheel copy";
    align-items: start;
  }

  .wheel-wrap {
    width: min(42vw, 280px);
    position: sticky;
    top: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere,
  .wheel-glow {
    animation: none;
  }

  .key-pill,
  .key-chip {
    transition: none;
  }
}