/* ═══════════════════════════════════════════════════════════════════════════
 * Kallisto Design System — Theme Personality Pack
 * Beyond colors, each theme gets its own SHAPE, MOTION, and SURFACE feel.
 * Overrides radii, shadows, easing, and decorative tile/card treatments
 * so every theme reads as a distinct design direction.
 *
 * Layer order:  tokens.css → components.css → smart-tiles.css → themes.css
 *               → THIS FILE → cascades over component defaults.
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ──────────────────────────────────────────────────────────────────────────
 *  1. DEFAULT / VIOLET LIGHT — soft, rounded, friendly (baseline, no extra)
 * ────────────────────────────────────────────────────────────────────────── */

/* ──────────────────────────────────────────────────────────────────────────
 *  2. DARK GLASS — luxurious metallic, warm gold edge highlight
 *      Chunky rounded · slow motion · subtle gold rim
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="dark-glass"] {
  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 26px;
}
[data-theme="dark-glass"] .kal-tile,
[data-theme="dark-glass"] .kal-card,
[data-theme="dark-glass"] .kal-liquid,
[data-theme="dark-glass"] .kal-toolbar,
[data-theme="dark-glass"] .kal-nowplay,
[data-theme="dark-glass"] .kal-roompill {
  box-shadow:
    inset 0 1px 0 rgba(255,210,150,0.10),
    inset 0 0 0 1px rgba(255,210,150,0.05),
    0 8px 24px rgba(0,0,0,0.55);
  transition: transform .4s cubic-bezier(0.2,0.8,0.2,1), box-shadow .4s;
}
[data-theme="dark-glass"] .kal-tile:hover {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,210,150,0.18),
    inset 0 0 0 1px rgba(255,210,150,0.10),
    0 16px 40px rgba(0,0,0,0.6);
}
[data-theme="dark-glass"] .kal-btn:hover { transform: translateY(-1px); }

/* ──────────────────────────────────────────────────────────────────────────
 *  3. LIGHT WARM — paper-textured, snappy bounce, generous pill radii
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="light-warm"] {
  --r-sm: 10px; --r-md: 16px; --r-lg: 22px; --r-xl: 28px;
}
[data-theme="light-warm"] .kal-tile,
[data-theme="light-warm"] .kal-card,
[data-theme="light-warm"] .kal-liquid {
  position: relative;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(232,120,58,0.04) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(232,120,58,0.03) 0, transparent 40%);
  transition: transform .35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow .35s;
}
[data-theme="light-warm"] .kal-tile:hover { transform: translateY(-3px) scale(1.01); }
[data-theme="light-warm"] .kal-btn { transition: transform .25s cubic-bezier(0.34, 1.56, 0.64, 1), background .25s; }
[data-theme="light-warm"] .kal-btn:hover { transform: translateY(-2px) scale(1.02); }
[data-theme="light-warm"] .kal-btn:active { transform: scale(0.97); }
[data-theme="light-warm"] .kal-fab:hover { transform: scale(1.15) rotate(8deg) translateY(-2px); }

/* ──────────────────────────────────────────────────────────────────────────
 *  4. DARK YELLOW — neon cyber, tight corners, sharp transitions
 *     Yellow glow on hover, scanline overlay on tiles
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="dark-yellow"] {
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 16px;
}
[data-theme="dark-yellow"] .kal-tile,
[data-theme="dark-yellow"] .kal-card,
[data-theme="dark-yellow"] .kal-liquid,
[data-theme="dark-yellow"] .kal-toolbar,
[data-theme="dark-yellow"] .kal-nowplay {
  position: relative; overflow: hidden;
  transition: box-shadow .15s ease-out, transform .15s ease-out, border-color .15s;
}
[data-theme="dark-yellow"] .kal-tile::after,
[data-theme="dark-yellow"] .kal-card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(245,213,71,0.02) 3px, rgba(245,213,71,0.02) 4px);
  border-radius: inherit;
}
[data-theme="dark-yellow"] .kal-tile:hover {
  border-color: rgba(245,213,71,0.4);
  box-shadow: 0 0 0 1px rgba(245,213,71,0.3), 0 0 24px rgba(245,213,71,0.18);
  transform: translateY(-1px);
}
[data-theme="dark-yellow"] .kal-btn { transition: all .15s; letter-spacing: 0.02em; text-transform: uppercase; font-size: 11px; }
[data-theme="dark-yellow"] .kal-btn--primary {
  background: #f5d547; color: #0b0b0e; border-color: #f5d547;
  box-shadow: 0 0 16px rgba(245,213,71,0.4);
}

/* ──────────────────────────────────────────────────────────────────────────
 *  5. B&W — brutalist, square corners, instant motion, line-based
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="bw"] {
  --r-sm: 0; --r-md: 2px; --r-lg: 4px; --r-xl: 6px;
  --shadow-sm: 0 0 0 1px #000; --shadow-md: 4px 4px 0 0 #000; --shadow-lg: 6px 6px 0 0 #000;
}
[data-theme="bw"] .kal-tile,
[data-theme="bw"] .kal-card,
[data-theme="bw"] .kal-liquid,
[data-theme="bw"] .kal-nowplay,
[data-theme="bw"] .kal-toolbar {
  background: #fff;
  border: 1.5px solid #000;
  box-shadow: 4px 4px 0 0 #000;
  backdrop-filter: none;
  transition: transform .08s ease, box-shadow .08s ease;
}
[data-theme="bw"] .kal-tile:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 0 #000; }
[data-theme="bw"] .kal-btn { border: 1.5px solid #000; box-shadow: 3px 3px 0 0 #000; transition: all .08s; }
[data-theme="bw"] .kal-btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 0 #000; }
[data-theme="bw"] .kal-btn:active { transform: translate(2px, 2px); box-shadow: 0 0 0 0 #000; }
[data-theme="bw"] .kal-tile__power,
[data-theme="bw"] .kal-tile__corner { border: 1.5px solid #000; box-shadow: 2px 2px 0 0 #000; }
[data-theme="bw"] .kal-roompill,
[data-theme="bw"] .kal-applauncher__app { border: 1.5px solid #000; }
[data-theme="bw"] .kal-load-blob,
[data-theme="bw"] .kal-load-radar::before,
[data-theme="bw"] .kal-load-radar::after { animation-duration: 0.8s !important; }

/* ──────────────────────────────────────────────────────────────────────────
 *  6. MOCHA — organic clay, oversized & asymmetric radii, gentle motion
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="mocha"] {
  --r-sm: 12px; --r-md: 18px; --r-lg: 28px; --r-xl: 36px;
}
[data-theme="mocha"] .kal-tile,
[data-theme="mocha"] .kal-card,
[data-theme="mocha"] .kal-liquid,
[data-theme="mocha"] .kal-nowplay,
[data-theme="mocha"] .kal-statcard {
  border-radius: 28px 32px 36px 26px;   /* organic asymmetry */
  box-shadow:
    inset 0 1px 0 rgba(255,247,235,0.5),
    0 4px 12px rgba(80,50,20,0.06),
    0 16px 36px rgba(80,50,20,0.08);
  transition: transform .6s cubic-bezier(0.4, 0, 0.2, 1), box-shadow .6s;
}
[data-theme="mocha"] .kal-tile:nth-child(2n) { border-radius: 36px 26px 28px 32px; }
[data-theme="mocha"] .kal-tile:hover { transform: translateY(-2px) rotate(-0.5deg); }
[data-theme="mocha"] .kal-btn { border-radius: 999px; transition: all .5s ease; }
[data-theme="mocha"] .kal-tile__icon { border-radius: 12px 14px 16px 11px; }

/* ──────────────────────────────────────────────────────────────────────────
 *  7. SAGE — matte natural, pressed/embossed feel
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="sage"] {
  --r-sm: 10px; --r-md: 14px; --r-lg: 18px; --r-xl: 24px;
}
[data-theme="sage"] .kal-tile,
[data-theme="sage"] .kal-card,
[data-theme="sage"] .kal-liquid,
[data-theme="sage"] .kal-nowplay {
  box-shadow:
    inset 0 1px 0 rgba(255,255,250,0.7),
    inset 0 -1px 0 rgba(40,60,30,0.06),
    0 1px 3px rgba(40,60,30,0.04),
    0 8px 20px rgba(40,60,30,0.06);
  transition: transform .35s ease, box-shadow .35s ease;
}
[data-theme="sage"] .kal-tile:hover {
  box-shadow:
    inset 0 1px 0 rgba(255,255,250,0.7),
    inset 0 -1px 0 rgba(40,60,30,0.06),
    0 4px 8px rgba(40,60,30,0.06),
    0 16px 32px rgba(40,60,30,0.10);
  transform: translateY(-1px);
}
[data-theme="sage"] .kal-btn { box-shadow: inset 0 1px 0 rgba(255,255,250,0.5), 0 2px 4px rgba(40,60,30,0.05); }

/* ──────────────────────────────────────────────────────────────────────────
 *  8. MIDNIGHT — sci-fi, cyan edge glow, scanline overlay, precise motion
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="midnight"] {
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 18px;
}
[data-theme="midnight"] .kal-tile,
[data-theme="midnight"] .kal-card,
[data-theme="midnight"] .kal-liquid,
[data-theme="midnight"] .kal-nowplay,
[data-theme="midnight"] .kal-toolbar {
  position: relative; overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(92,216,255,0.10),
    0 4px 16px rgba(92,216,255,0.06),
    0 12px 30px rgba(0,5,20,0.5);
  transition: box-shadow .25s var(--ease-decelerate), transform .25s;
}
[data-theme="midnight"] .kal-tile::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: linear-gradient(180deg, rgba(92,216,255,0.06) 0%, transparent 30%);
  z-index: 1;
}
[data-theme="midnight"] .kal-tile:hover {
  box-shadow:
    inset 0 0 0 1px rgba(92,216,255,0.35),
    0 0 30px rgba(92,216,255,0.20),
    0 16px 40px rgba(0,5,20,0.55);
  transform: translateY(-1px);
}
[data-theme="midnight"] .kal-tile__icon { box-shadow: 0 0 12px rgba(92,216,255,0.15); }
[data-theme="midnight"] .kal-tile__power--on {
  box-shadow: 0 0 14px rgba(92,216,255,0.5);
  color: #5cd8ff; border-color: #5cd8ff;
}
[data-theme="midnight"] .kal-load-radar::before,
[data-theme="midnight"] .kal-load-radar::after { border-color: #5cd8ff; }
[data-theme="midnight"] .kal-load-radar__core { background: #5cd8ff; box-shadow: 0 0 16px #5cd8ff; }

/* ──────────────────────────────────────────────────────────────────────────
 *  9. CORAL — playful bubbly, very rounded, spring motion
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="coral"] {
  --r-sm: 12px; --r-md: 18px; --r-lg: 24px; --r-xl: 30px;
}
[data-theme="coral"] .kal-tile,
[data-theme="coral"] .kal-card,
[data-theme="coral"] .kal-liquid,
[data-theme="coral"] .kal-nowplay,
[data-theme="coral"] .kal-statcard {
  background-image:
    radial-gradient(circle at 0% 0%, rgba(232,90,85,0.05) 0, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(244,144,128,0.04) 0, transparent 40%);
  box-shadow:
    inset 0 1px 0 rgba(255,250,245,0.8),
    0 6px 18px rgba(120,40,20,0.07),
    0 20px 40px rgba(120,40,20,0.10);
  transition: transform .45s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow .45s;
}
[data-theme="coral"] .kal-tile:hover { transform: translateY(-4px) scale(1.015); }
[data-theme="coral"] .kal-btn { border-radius: 999px; transition: transform .35s cubic-bezier(0.34, 1.56, 0.64, 1); }
[data-theme="coral"] .kal-btn:hover { transform: translateY(-2px) scale(1.04); }
[data-theme="coral"] .kal-btn:active { transform: scale(0.94); }
[data-theme="coral"] .kal-tile__live-dot { animation-duration: 1.4s; }
[data-theme="coral"] .kal-load-drop__d { animation-duration: 1s; }

/* ──────────────────────────────────────────────────────────────────────────
 * 10. OBSIDIAN — premium matte dark, chunky radii, subtle inner sheen
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="obsidian"] {
  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 26px;
}
[data-theme="obsidian"] .kal-tile,
[data-theme="obsidian"] .kal-card,
[data-theme="obsidian"] .kal-liquid,
[data-theme="obsidian"] .kal-nowplay,
[data-theme="obsidian"] .kal-toolbar {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 50%),
    var(--glass-bg);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.10),
    inset 0 0 0 1px rgba(255,255,255,0.04),
    0 12px 36px rgba(0,0,0,0.55);
  transition: transform .5s var(--ease-decelerate), box-shadow .5s;
}
[data-theme="obsidian"] .kal-tile:hover {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08) 0%, transparent 50%),
    var(--glass-bg-strong);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.15),
    inset 0 0 0 1px rgba(255,255,255,0.08),
    0 20px 50px rgba(0,0,0,0.7);
}
[data-theme="obsidian"] .kal-btn { letter-spacing: 0.01em; }
[data-theme="obsidian"] .kal-btn--primary {
  background: linear-gradient(180deg, #f4f4f8 0%, #c8c8d4 100%); color: #0c0c10;
  box-shadow: inset 0 1px 0 #fff, 0 4px 12px rgba(0,0,0,0.4);
}

/* ──────────────────────────────────────────────────────────────────────────
 * 11. NEUMORPH — soft dark, claymorphic, neon-ring dials, no borders
 *     Dual-tone shadows (light from top-left, dark from bottom-right)
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="neumorph"] {
  --r-sm: 14px; --r-md: 20px; --r-lg: 26px; --r-xl: 34px;
}
[data-theme="neumorph"] body { background: #1a1d26; }

[data-theme="neumorph"] .kal-tile,
[data-theme="neumorph"] .kal-card,
[data-theme="neumorph"] .kal-liquid,
[data-theme="neumorph"] .kal-nowplay,
[data-theme="neumorph"] .kal-kpi,
[data-theme="neumorph"] .ds-demo-card {
  background: #232733;
  border: 1px solid transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow:
    -7px -7px 16px rgba(255,255,255,0.025),
    9px 9px 22px rgba(0,0,0,0.50),
    inset 1px 1px 0 rgba(255,255,255,0.04);
  transition: box-shadow .3s ease, transform .3s ease;
}
[data-theme="neumorph"] .kal-tile:hover,
[data-theme="neumorph"] .kal-card:hover {
  box-shadow:
    -10px -10px 22px rgba(255,255,255,0.035),
    14px 14px 30px rgba(0,0,0,0.6),
    inset 1px 1px 0 rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

[data-theme="neumorph"] .kal-statcard {
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(255,255,255,0.10), transparent 60%),
    linear-gradient(135deg, oklch(0.55 0.24 330), oklch(0.45 0.24 320));
  box-shadow:
    -7px -7px 16px rgba(255,255,255,0.025),
    9px 9px 22px rgba(0,0,0,0.50),
    0 0 22px rgba(216,85,255,0.18);
}

/* Pressed / inset elements */
[data-theme="neumorph"] .kal-tile__icon,
[data-theme="neumorph"] .kal-tile__corner,
[data-theme="neumorph"] .kal-tile__power,
[data-theme="neumorph"] .kal-toolbar__btn,
[data-theme="neumorph"] .kal-live__ctrl,
[data-theme="neumorph"] .kal-roompill__item,
[data-theme="neumorph"] .kal-nowplay__ctrl,
[data-theme="neumorph"] .kal-applauncher__app {
  background: #232733;
  border-color: transparent;
  box-shadow:
    inset 3px 3px 6px rgba(0,0,0,0.50),
    inset -3px -3px 6px rgba(255,255,255,0.04);
}
[data-theme="neumorph"] .kal-tile__power--on {
  color: var(--violet); border-color: transparent;
  box-shadow:
    inset 2px 2px 4px rgba(0,0,0,0.45),
    inset -2px -2px 4px rgba(255,255,255,0.04),
    0 0 14px rgba(216,85,255,0.45);
}

[data-theme="neumorph"] .kal-toolbar,
[data-theme="neumorph"] .kal-roompill {
  background: #232733;
  border: 1px solid transparent;
  backdrop-filter: none;
  box-shadow:
    -5px -5px 14px rgba(255,255,255,0.025),
    7px 7px 18px rgba(0,0,0,0.5);
}
[data-theme="neumorph"] .kal-toolbar__btn--solid,
[data-theme="neumorph"] .kal-roompill__add {
  background: linear-gradient(135deg, var(--violet), var(--violet-2));
  color: #fff;
  box-shadow:
    -2px -2px 6px rgba(255,255,255,0.04),
    4px 4px 10px rgba(0,0,0,0.4),
    0 0 18px rgba(216,85,255,0.45);
}
[data-theme="neumorph"] .kal-toolbar__btn--active {
  background: #232733;
  box-shadow:
    inset 3px 3px 6px rgba(0,0,0,0.50),
    inset -3px -3px 6px rgba(255,255,255,0.04);
  color: var(--violet);
}

[data-theme="neumorph"] .kal-btn {
  background: #232733;
  border: 1px solid transparent;
  color: var(--ink);
  box-shadow:
    -3px -3px 8px rgba(255,255,255,0.025),
    5px 5px 12px rgba(0,0,0,0.45);
}
[data-theme="neumorph"] .kal-btn:hover {
  box-shadow:
    -4px -4px 10px rgba(255,255,255,0.035),
    7px 7px 16px rgba(0,0,0,0.55);
}
[data-theme="neumorph"] .kal-btn:active {
  box-shadow:
    inset 3px 3px 6px rgba(0,0,0,0.5),
    inset -3px -3px 6px rgba(255,255,255,0.03);
}
[data-theme="neumorph"] .kal-btn--primary {
  background: linear-gradient(135deg, var(--violet), var(--sky));
  color: #0a0c12;
  box-shadow:
    -3px -3px 8px rgba(255,255,255,0.04),
    5px 5px 14px rgba(0,0,0,0.45),
    0 0 18px rgba(216,85,255,0.35);
}
[data-theme="neumorph"] .kal-btn--dark {
  background: linear-gradient(135deg, #14161e, #0d0f15);
  color: var(--ink); border-color: transparent;
}

[data-theme="neumorph"] .kal-dial__track { stroke: #2c303c; }
[data-theme="neumorph"] .kal-dial__fill {
  filter: drop-shadow(0 0 6px var(--violet));
  stroke: var(--violet);
}

[data-theme="neumorph"] .kal-input {
  background: #1d2029; border: 1px solid transparent; color: var(--ink);
  box-shadow:
    inset 3px 3px 6px rgba(0,0,0,0.45),
    inset -3px -3px 6px rgba(255,255,255,0.025);
}
[data-theme="neumorph"] .kal-toggle {
  background: #1d2029;
  box-shadow:
    inset 2px 2px 4px rgba(0,0,0,0.5),
    inset -2px -2px 4px rgba(255,255,255,0.03);
}
[data-theme="neumorph"] .kal-toggle--on {
  background: linear-gradient(135deg, var(--violet), var(--violet-2));
  box-shadow: 0 0 14px rgba(216,85,255,0.45);
}

[data-theme="neumorph"] .kal-kpi__value { font-weight: 700; }

[data-theme="neumorph"] .kal-load-radar__core {
  background: var(--violet); box-shadow: 0 0 18px var(--violet);
}
[data-theme="neumorph"] .kal-load-radar::before,
[data-theme="neumorph"] .kal-load-radar::after { border-color: var(--violet); }
[data-theme="neumorph"] .kal-load-wave {
  border-color: var(--ink-3);
  box-shadow: inset 2px 2px 4px rgba(0,0,0,0.4), -2px -2px 6px rgba(255,255,255,0.03);
}

/* ──────────────────────────────────────────────────────────────────────────
 * 12. LIQUID GLASS — frosted blur, specular highlights, fluid spring motion
 *     Apple Vision Pro aesthetic — everything is translucent glass
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="liquid-glass"] {
  --r-sm: 14px; --r-md: 20px; --r-lg: 26px; --r-xl: 32px;
}
[data-theme="liquid-glass"] .kal-tile,
[data-theme="liquid-glass"] .kal-card,
[data-theme="liquid-glass"] .kal-liquid,
[data-theme="liquid-glass"] .kal-toolbar,
[data-theme="liquid-glass"] .kal-nowplay,
[data-theme="liquid-glass"] .kal-statcard,
[data-theme="liquid-glass"] .kal-kpi {
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(24px) saturate(1.8) brightness(1.05);
  -webkit-backdrop-filter: blur(24px) saturate(1.8) brightness(1.05);
  border: 1px solid rgba(255,255,255,0.50);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.75),
    inset 0 0 0 0.5px rgba(255,255,255,0.35),
    0 8px 32px oklch(0.50 0.06 270 / 0.10),
    0 2px 8px oklch(0.50 0.06 270 / 0.06);
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1),
              box-shadow 0.3s cubic-bezier(0.2,0.8,0.2,1),
              background 0.3s cubic-bezier(0.2,0.8,0.2,1);
}
[data-theme="liquid-glass"] .kal-tile:hover,
[data-theme="liquid-glass"] .kal-card:hover {
  background: rgba(255,255,255,0.45);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.85),
    inset 0 0 0 0.5px rgba(255,255,255,0.45),
    0 16px 48px oklch(0.50 0.06 270 / 0.14),
    0 4px 12px oklch(0.50 0.06 270 / 0.08);
}
[data-theme="liquid-glass"] .kal-btn {
  backdrop-filter: blur(12px) saturate(1.5);
  -webkit-backdrop-filter: blur(12px) saturate(1.5);
  background: rgba(255,255,255,0.50);
  border-color: rgba(255,255,255,0.55);
  transition: all 0.18s cubic-bezier(0.2,0.8,0.2,1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 2px 8px oklch(0.50 0.06 270 / 0.06);
}
[data-theme="liquid-glass"] .kal-btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.65);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7), 0 4px 16px oklch(0.50 0.06 270 / 0.12);
}
[data-theme="liquid-glass"] .kal-btn:active { transform: scale(0.97); }
[data-theme="liquid-glass"] .kal-btn--primary {
  background: linear-gradient(135deg, var(--violet), var(--sky));
  border-color: transparent;
  color: var(--white);
  box-shadow: 0 4px 20px oklch(0.58 0.22 285 / 0.30), inset 0 1px 0 rgba(255,255,255,0.35);
}
[data-theme="liquid-glass"] .kal-input {
  background: rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-color: rgba(255,255,255,0.45);
}
[data-theme="liquid-glass"] .kal-input:focus {
  background: rgba(255,255,255,0.40);
  border-color: var(--violet);
  box-shadow: 0 0 0 3px oklch(0.58 0.22 285 / 0.15);
}
[data-theme="liquid-glass"] .kal-tile__icon {
  background: rgba(255,255,255,0.30);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.40);
}
[data-theme="liquid-glass"] .kal-toggle {
  background: rgba(255,255,255,0.20);
  box-shadow: inset 0 1px 2px oklch(0.50 0.05 270 / 0.10);
}
[data-theme="liquid-glass"] .kal-toggle--on {
  background: linear-gradient(135deg, var(--violet), var(--sky));
  box-shadow: 0 0 12px oklch(0.58 0.22 285 / 0.35);
}
[data-theme="liquid-glass"] .kal-fab {
  backdrop-filter: blur(16px) saturate(1.6);
  box-shadow: 0 8px 32px oklch(0.58 0.22 285 / 0.25);
}
[data-theme="liquid-glass"] .ds-demo-card {
  background: rgba(255,255,255,0.28);
  backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid rgba(255,255,255,0.50);
}

/* ──────────────────────────────────────────────────────────────────────────
 *  Theme-aware liquid color (override the default coral)
 *  Each theme's liquid tank picks up its brand accent.
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="dark-glass"]  .kal-liquid { --liquid-from: oklch(0.78 0.16 50);  --liquid-to: oklch(0.55 0.15 35); }
[data-theme="light-warm"]  .kal-liquid { --liquid-from: oklch(0.82 0.14 55);  --liquid-to: oklch(0.62 0.20 35); }
[data-theme="dark-yellow"] .kal-liquid { --liquid-from: oklch(0.85 0.16 100); --liquid-to: oklch(0.65 0.18 90); }
[data-theme="bw"]          .kal-liquid { --liquid-from: #333; --liquid-to: #000; }
[data-theme="mocha"]       .kal-liquid { --liquid-from: oklch(0.66 0.10 50);  --liquid-to: oklch(0.42 0.07 40); }
[data-theme="sage"]        .kal-liquid { --liquid-from: oklch(0.72 0.10 140); --liquid-to: oklch(0.52 0.10 145); }
[data-theme="midnight"]    .kal-liquid { --liquid-from: oklch(0.82 0.14 220); --liquid-to: oklch(0.55 0.18 235); }
[data-theme="coral"]       .kal-liquid { --liquid-from: oklch(0.78 0.16 30);  --liquid-to: oklch(0.58 0.20 25); }
[data-theme="obsidian"]    .kal-liquid { --liquid-from: oklch(0.78 0.02 280); --liquid-to: oklch(0.45 0.02 280); }
[data-theme="neumorph"]    .kal-liquid { --liquid-from: oklch(0.78 0.20 330); --liquid-to: oklch(0.55 0.22 320); }
[data-theme="liquid-glass"].kal-liquid { --liquid-from: oklch(0.72 0.18 285); --liquid-to: oklch(0.52 0.16 240); }

/* ──────────────────────────────────────────────────────────────────────────
 *  Theme-aware motion (animation timing personality)
 * ────────────────────────────────────────────────────────────────────────── */
[data-theme="dark-glass"]  { --motion-base: 380ms; }   /* slow / luxurious */
[data-theme="dark-yellow"] { --motion-base: 140ms; }   /* sharp / quick */
[data-theme="bw"]          { --motion-base: 80ms;  }   /* instant */
[data-theme="mocha"]       { --motion-base: 480ms; }   /* gentle */
[data-theme="midnight"]    { --motion-base: 180ms; }   /* precise */
[data-theme="coral"]       { --motion-base: 320ms; }   /* bouncy */
[data-theme="obsidian"]    { --motion-base: 420ms; }   /* smooth */
[data-theme="neumorph"]    { --motion-base: 360ms; }   /* soft & deliberate */
[data-theme="liquid-glass"]{ --motion-base: 280ms; }   /* fluid / responsive */

@media (prefers-reduced-motion: reduce) {
  [data-theme] * { transition-duration: 1ms !important; }
}