/* Katten: evening violet, wool-pink accent, amber highlights, a twilight court */
:root[data-look="cats"] {
  --bg: #16121f;
  --surface: #221c31;
  --surface-2: #2c2540;
  --line: #4a4062;
  --accent: #ff7a9a;
  --accent-text: #ff8fab;
  --accent-deep: #c24a6c;
  --on-accent: #16121f;
  --focus: #ffc04d;
  --text: #f4eefb;
  --muted: #b6abcb;
  --bust: #b8334f;
  --on-bust: #ffffff;
  --danger-text: #ff9fb4;
  --glow: rgba(255, 192, 77, .13);
  --scrim: rgba(10, 7, 16, .62);
  --toast-bg: #f6ead2;
  --toast-ink: #352544;
  --switch-off: #4a4062;
  --switch-knob: #f4eefb;
  --court: #3b3060;
  --court-2: #1b1530;
  --court-line: rgba(244, 238, 251, .55);
  --cap-scrim: rgba(10, 7, 16, .55);
  --cap-glow: rgba(255, 192, 77, .32);
}
[data-look="cats"] body {
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='white' fill-opacity='.045'%3E%3Cg transform='translate(16 18) rotate(-18)'%3E%3Cellipse cx='0' cy='4.5' rx='5' ry='4'/%3E%3Ccircle cx='-5.6' cy='-2' r='2'/%3E%3Ccircle cx='-2' cy='-5.6' r='2'/%3E%3Ccircle cx='2' cy='-5.6' r='2'/%3E%3Ccircle cx='5.6' cy='-2' r='2'/%3E%3C/g%3E%3Cg transform='translate(48 50) rotate(16)'%3E%3Cellipse cx='0' cy='4.5' rx='5' ry='4'/%3E%3Ccircle cx='-5.6' cy='-2' r='2'/%3E%3Ccircle cx='-2' cy='-5.6' r='2'/%3E%3Ccircle cx='2' cy='-5.6' r='2'/%3E%3Ccircle cx='5.6' cy='-2' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    var(--bg);
}
[data-look="cats"] body { isolation: isolate; }
[data-look="cats"] body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(130% 55% at 50% 105%, rgba(255, 192, 77, .18), transparent 62%),
    radial-gradient(90% 40% at 50% -5%, rgba(255, 122, 154, .14), transparent 60%);
  transform: scale(1.07);
  will-change: transform, filter;
  animation: cats-ambient 40s ease-in-out infinite alternate;
}
@keyframes cats-ambient {
  from { transform: translate3d(-3%, 1.5%, 0) scale(1.07); filter: hue-rotate(-8deg); }
  to { transform: translate3d(3%, -1.5%, 0) scale(1.1); filter: hue-rotate(8deg); }
}
@media (prefers-reduced-motion: reduce) {
  [data-look="cats"] body::before { animation: none; will-change: auto; }
}

/* Apple: iOS grouped surfaces, system colours, a blue hard court, follows light and dark */
:root[data-look="apple"] {
  --bg: #f2f2f7;
  --surface: #ffffff;
  --surface-2: rgba(118, 118, 128, .12);
  --line: rgba(60, 60, 67, .29);
  --accent: #0066cc;
  --accent-text: #0066cc;
  --accent-deep: transparent;
  --on-accent: #ffffff;
  --focus: #0066cc;
  --text: #000000;
  --muted: #6c6c70;
  --bust: #d70015;
  --on-bust: #ffffff;
  --danger-text: #d70015;
  --glow: transparent;
  --scrim: rgba(0, 0, 0, .3);
  --shadow: rgba(0, 0, 0, .18);
  --toast-bg: #1c1c1e;
  --toast-ink: #ffffff;
  --switch-off: #e9e9eb;
  --switch-knob: #ffffff;
  --switch-on: #1f7a35;
  --court: #3f7fca;
  --court-2: #2a5d9c;
  --court-line: rgba(255, 255, 255, .88);
  --cap-scrim: rgba(10, 30, 60, .38);
  --cap-glow: rgba(255, 255, 255, .45);
  --display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', system-ui, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', system-ui, sans-serif;
  --rounded: ui-rounded, 'SF Pro Rounded', -apple-system, system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root[data-look="apple"]:not([data-appearance="light"]) {
    --bg: #000000;
    --surface: #1c1c1e;
    --surface-2: rgba(118, 118, 128, .24);
    --line: rgba(84, 84, 88, .65);
    --accent: #0a6fe0;
    --accent-text: #4da3ff;
    --focus: #4da3ff;
    --text: #ffffff;
    --muted: #aeaeb2;
    --bust: #d70015;
    --danger-text: #ff6961;
    --shadow: rgba(0, 0, 0, .6);
    --toast-bg: #f2f2f7;
    --toast-ink: #000000;
    --switch-off: #39393d;
    --switch-knob: #ffffff;
    --switch-on: #30d158;
    --court: #22548f;
    --court-2: #0b1d36;
    --court-line: rgba(255, 255, 255, .72);
    --cap-scrim: rgba(0, 0, 0, .55);
    --cap-glow: rgba(77, 163, 255, .32);
                          color-scheme: dark;
  }
}
:root[data-look="apple"][data-appearance="dark"] {
  --bg: #000000;
  --surface: #1c1c1e;
  --surface-2: rgba(118, 118, 128, .24);
  --line: rgba(84, 84, 88, .65);
  --accent: #0a6fe0;
  --accent-text: #4da3ff;
  --focus: #4da3ff;
  --text: #ffffff;
  --muted: #aeaeb2;
  --bust: #d70015;
  --danger-text: #ff6961;
  --shadow: rgba(0, 0, 0, .6);
  --toast-bg: #f2f2f7;
  --toast-ink: #000000;
  --switch-off: #39393d;
  --switch-knob: #ffffff;
  --switch-on: #30d158;
  --court: #22548f;
  --court-2: #0b1d36;
  --court-line: rgba(255, 255, 255, .72);
  --cap-scrim: rgba(0, 0, 0, .55);
  --cap-glow: rgba(77, 163, 255, .32);
  color-scheme: dark;
}
[data-look="apple"] body { font-size: 17px; -webkit-font-smoothing: antialiased; }
[data-look="apple"] .btn { border-radius: 999px; font-weight: 600; }
[data-look="apple"] .btn.primary { box-shadow: none; }
[data-look="apple"] .btn.big { font-family: var(--body); font-weight: 600; font-size: 17px; min-height: 54px; }
[data-look="apple"] .btn.ghost { border: 0; background: var(--surface-2); color: var(--accent-text); }
[data-look="apple"] .btn.text { font-weight: 400; }
[data-look="apple"] .icon-btn { border: 0; border-radius: 50%; color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 0 0 .5px rgba(0, 0, 0, .06); }
[data-look="apple"] .segmented { background: var(--surface-2); border-radius: 999px; }
[data-look="apple"] .mode-switch { background: var(--surface-2); }
[data-look="apple"] .segmented button { border-radius: 999px; color: var(--text); font-weight: 500; }
[data-look="apple"] .segmented button[aria-checked="true"] { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 3px 8px rgba(0, 0, 0, .12); }
[data-look="apple"] .switch[aria-checked="true"]::before { background: var(--switch-on); }
[data-look="apple"] .back-link { color: var(--accent-text); font-weight: 400; }
[data-look="apple"] .title { font-weight: 700; font-size: 34px; letter-spacing: -.02em; }
[data-look="apple"] .box { border-radius: 22px; }
[data-look="apple"] .box-title { font-weight: 600; }
[data-look="apple"] .sheet { border-radius: 30px 30px 0 0; }
[data-look="apple"] .sheet-head h3, [data-look="apple"] .modal h3 { font-family: var(--body); font-weight: 700; font-size: 20px; }
[data-look="apple"] .menu-item { font-weight: 400; font-size: 17px; }
[data-look="apple"] .close-btn { border-radius: 50%; }
[data-look="apple"] .modal { border-radius: 26px; text-align: center; }
[data-look="apple"] .toast { border-radius: 24px; }
[data-look="apple"] .toast button { background: none; color: var(--toast-ink); text-decoration: underline; }
[data-look="cats"] .stage { border-radius: 34px; }
[data-look="cats"] .racket-card { border-radius: 20px; }
[data-look="apple"] .stage { border-radius: 28px; }
[data-look="apple"] .racket-card { border-radius: 16px; }
[data-look="apple"] .racket-card[aria-checked="true"] { background: var(--surface); border-color: var(--accent-text); }
[data-look="apple"] .racket-line { font-weight: 600; }
[data-look="apple"] .picked { font-weight: 400; }
[data-look="apple"] .stage-hint { font-weight: 600; }
[data-look="apple"] .verdict { border-radius: 24px; }
[data-look="apple"] .verdict-big { font-family: var(--display); font-weight: 800; font-size: 50px; letter-spacing: -.02em; }
[data-look="apple"] .verdict-sub { font-weight: 500; }
[data-look="apple"] .player input { border: 0; background: var(--surface-2); }
[data-look="apple"] .player-tag { font-weight: 500; }
[data-look="apple"] .call-q { font-weight: 600; }
[data-look="apple"] .outcome { border-radius: 18px; }
[data-look="apple"] .outcome-head { font-weight: 700; font-size: 24px; }
[data-look="apple"] .choice { border: 0; background: var(--surface); font-weight: 600; }
[data-look="apple"] .choice[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }
[data-look="apple"] .outcome-line { font-weight: 600; }
[data-look="apple"] .cap-fig strong { font-weight: 700; }
[data-look="apple"] .hist-res { font-family: var(--rounded); font-weight: 700; font-size: 18px; }
[data-look="apple"] .hist-racket { font-weight: 500; }