:root,
[data-theme='night'] {
  /* Primitive tokens — GHS-014 five-lakes v1.3, night lake. */
  --primitive-bg-a: #0a1020;
  --primitive-bg-b: #0b1220;
  --primitive-bg-c: #070c16;
  --primitive-bg-d: #04070d;
  --primitive-star-core: #f7ebc8;
  --primitive-star-bright: #ffefc2;
  --primitive-text-primary: rgba(234, 238, 248, 0.96);
  --primitive-text-body: rgba(222, 228, 242, 0.88);
  --primitive-text-aux: rgba(196, 206, 228, 0.62);
  --primitive-text-faint: rgba(180, 192, 220, 0.4);
  --primitive-nebula-a: rgba(91, 111, 196, 0.13);
  --primitive-nebula-b: rgba(138, 111, 201, 0.05);
  --primitive-glass: rgba(178, 198, 255, 0.045);
  --primitive-glass-hover: rgba(178, 198, 255, 0.075);
  --primitive-glass-edge: rgba(202, 216, 255, 0.13);
  --primitive-glass-top: rgba(255, 255, 255, 0.06);
  --primitive-mist-a: rgba(157, 180, 255, 0.1);
  --primitive-mist-b: rgba(247, 235, 200, 0.04);
  --primitive-cool-glow: rgba(157, 180, 255, 0.42);
  --primitive-warm-glow: rgba(247, 235, 200, 0.5);
  --primitive-shadow: rgba(0, 0, 0, 0.34);
  --primitive-scene-opacity: 0.76;

  /* Semantic tokens. */
  --surface-sky: var(--primitive-bg-a);
  --surface-horizon: var(--primitive-bg-b);
  --surface-lake: var(--primitive-bg-c);
  --surface-depth: var(--primitive-bg-d);
  --content-primary: var(--primitive-text-primary);
  --content-secondary: var(--primitive-text-body);
  --content-muted: var(--primitive-text-aux);
  --content-faint: var(--primitive-text-faint);
  --accent-light: var(--primitive-star-core);
  --accent-light-strong: var(--primitive-star-bright);
  --state-ready: #b8d7c4;
  --state-waiting: #cfbddf;
  --state-quiet: var(--primitive-text-aux);
  --focus-ring: rgba(247, 235, 200, 0.7);

  /* Component tokens. */
  --button-primary-bg: rgba(247, 235, 200, 0.92);
  --button-primary-text: #15181f;
  --button-primary-shadow: 0 12px 42px rgba(247, 235, 200, 0.14);
  --button-secondary-bg: var(--primitive-glass);
  --button-secondary-text: var(--content-secondary);
  --button-secondary-edge: var(--primitive-glass-edge);
  --panel-bg: rgba(8, 13, 25, 0.72);
  --panel-edge: var(--primitive-glass-edge);
  --status-dot: var(--accent-light);
}

[data-theme='dawn'] {
  --primitive-bg-a: #f5f7fc;
  --primitive-bg-b: #eaeff8;
  --primitive-bg-c: #dfe8f4;
  --primitive-bg-d: #d3e0ef;
  --primitive-star-core: #c9a24b;
  --primitive-star-bright: #a96f2c;
  --primitive-text-primary: rgba(22, 33, 58, 0.94);
  --primitive-text-body: rgba(36, 49, 76, 0.86);
  --primitive-text-aux: rgba(72, 88, 120, 0.62);
  --primitive-text-faint: rgba(98, 112, 142, 0.48);
  --primitive-nebula-a: rgba(122, 144, 220, 0.12);
  --primitive-nebula-b: rgba(240, 196, 150, 0.12);
  --primitive-glass: rgba(255, 255, 255, 0.34);
  --primitive-glass-hover: rgba(255, 255, 255, 0.52);
  --primitive-glass-edge: rgba(30, 50, 90, 0.12);
  --primitive-glass-top: rgba(255, 255, 255, 0.65);
  --primitive-mist-a: rgba(255, 255, 255, 0.55);
  --primitive-mist-b: rgba(250, 214, 150, 0.3);
  --primitive-cool-glow: rgba(96, 124, 205, 0.35);
  --primitive-warm-glow: rgba(201, 162, 75, 0.5);
  --primitive-shadow: rgba(42, 66, 105, 0.16);
  --primitive-scene-opacity: 0.11;
  --state-ready: #3f7058;
  --state-waiting: #725b82;
  --panel-bg: rgba(247, 250, 255, 0.76);
  --button-primary-bg: rgba(45, 59, 84, 0.92);
  --button-primary-text: #f8f4e9;
  --button-primary-shadow: 0 12px 36px rgba(45, 59, 84, 0.16);
}

[data-theme='nebula'] {
  --primitive-bg-a: #150e26;
  --primitive-bg-b: #160f28;
  --primitive-bg-c: #0e0919;
  --primitive-bg-d: #080510;
  --primitive-star-core: #ede4f6;
  --primitive-star-bright: #f8f1ff;
  --primitive-text-primary: rgba(238, 234, 248, 0.96);
  --primitive-text-body: rgba(226, 220, 240, 0.88);
  --primitive-text-aux: rgba(202, 194, 226, 0.62);
  --primitive-text-faint: rgba(186, 178, 214, 0.42);
  --primitive-nebula-a: rgba(138, 111, 201, 0.24);
  --primitive-nebula-b: rgba(91, 111, 196, 0.11);
  --primitive-glass: rgba(196, 178, 255, 0.05);
  --primitive-glass-hover: rgba(196, 178, 255, 0.09);
  --primitive-glass-edge: rgba(210, 198, 255, 0.14);
  --primitive-glass-top: rgba(255, 255, 255, 0.07);
  --primitive-mist-a: rgba(170, 150, 255, 0.12);
  --primitive-mist-b: rgba(239, 217, 168, 0.05);
  --primitive-cool-glow: rgba(170, 150, 255, 0.45);
  --primitive-warm-glow: rgba(239, 217, 168, 0.5);
  --primitive-shadow: rgba(0, 0, 0, 0.38);
  --primitive-scene-opacity: 0.44;
  --panel-bg: rgba(18, 12, 34, 0.76);
}

[data-theme='candle'] {
  --primitive-bg-a: #1b130b;
  --primitive-bg-b: #181108;
  --primitive-bg-c: #100b05;
  --primitive-bg-d: #0a0703;
  --primitive-star-core: #ffd9a0;
  --primitive-star-bright: #ffe7be;
  --primitive-text-primary: rgba(246, 238, 226, 0.96);
  --primitive-text-body: rgba(236, 226, 210, 0.88);
  --primitive-text-aux: rgba(214, 198, 176, 0.62);
  --primitive-text-faint: rgba(196, 180, 158, 0.42);
  --primitive-nebula-a: rgba(214, 150, 80, 0.13);
  --primitive-nebula-b: rgba(160, 110, 70, 0.07);
  --primitive-glass: rgba(255, 214, 160, 0.045);
  --primitive-glass-hover: rgba(255, 214, 160, 0.08);
  --primitive-glass-edge: rgba(255, 220, 170, 0.13);
  --primitive-glass-top: rgba(255, 255, 255, 0.06);
  --primitive-mist-a: rgba(255, 196, 110, 0.09);
  --primitive-mist-b: rgba(255, 214, 140, 0.04);
  --primitive-cool-glow: rgba(214, 178, 140, 0.4);
  --primitive-warm-glow: rgba(255, 196, 110, 0.55);
  --primitive-shadow: rgba(0, 0, 0, 0.38);
  --primitive-scene-opacity: 0.4;
  --panel-bg: rgba(24, 17, 9, 0.78);
}

[data-theme='clear'] {
  --primitive-bg-a: #f1f5f8;
  --primitive-bg-b: #e8eef3;
  --primitive-bg-c: #dee7ed;
  --primitive-bg-d: #d2dee7;
  --primitive-star-core: #5f7e9f;
  --primitive-star-bright: #41628a;
  --primitive-text-primary: rgba(20, 36, 52, 0.94);
  --primitive-text-body: rgba(34, 50, 68, 0.86);
  --primitive-text-aux: rgba(66, 86, 106, 0.62);
  --primitive-text-faint: rgba(92, 110, 128, 0.48);
  --primitive-nebula-a: rgba(100, 140, 180, 0.1);
  --primitive-nebula-b: rgba(140, 170, 200, 0.08);
  --primitive-glass: rgba(255, 255, 255, 0.32);
  --primitive-glass-hover: rgba(255, 255, 255, 0.5);
  --primitive-glass-edge: rgba(20, 50, 80, 0.12);
  --primitive-glass-top: rgba(255, 255, 255, 0.65);
  --primitive-mist-a: rgba(255, 255, 255, 0.55);
  --primitive-mist-b: rgba(190, 214, 234, 0.35);
  --primitive-cool-glow: rgba(78, 112, 150, 0.35);
  --primitive-warm-glow: rgba(170, 138, 70, 0.5);
  --primitive-shadow: rgba(37, 66, 90, 0.14);
  --primitive-scene-opacity: 0.08;
  --state-ready: #3f7058;
  --state-waiting: #6a5b7a;
  --panel-bg: rgba(246, 250, 253, 0.76);
  --button-primary-bg: rgba(45, 66, 85, 0.92);
  --button-primary-text: #f6f2e9;
  --button-primary-shadow: 0 12px 36px rgba(45, 66, 85, 0.15);
}