/* Cosmic theme presets — foreground/background palettes (yogabrata tech) */
:root,
[data-cosmic-theme="cosmic"] {
  --bg: #020617;
  --bg-soft: #0f172a;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --cyan: #06b6d4;
  --cyan-light: #67e8f9;
  --orange: #f97316;
  --accent: #06b6d4;
  --accent-2: #f97316;
  --panel: rgba(15, 23, 42, 0.78);
  --border: rgba(148, 163, 184, 0.22);
  --orb-a: rgba(6, 182, 212, 0.18);
  --orb-b: rgba(249, 115, 22, 0.15);
  --mesh-alpha: 0.12;
  --cosmos-opacity: 0.55;
}

[data-cosmic-theme="aurora"] {
  --bg: #04101a;
  --bg-soft: #0a1f2e;
  --text: #e0f2fe;
  --muted: #7dd3fc;
  --cyan: #22d3ee;
  --cyan-light: #a5f3fc;
  --orange: #34d399;
  --accent: #22d3ee;
  --accent-2: #34d399;
  --panel: rgba(10, 31, 46, 0.82);
  --border: rgba(125, 211, 252, 0.25);
  --orb-a: rgba(34, 211, 238, 0.22);
  --orb-b: rgba(52, 211, 153, 0.16);
  --mesh-alpha: 0.14;
  --cosmos-opacity: 0.6;
}

[data-cosmic-theme="ember"] {
  --bg: #120806;
  --bg-soft: #1c100c;
  --text: #ffedd5;
  --muted: #fdba74;
  --cyan: #fb923c;
  --cyan-light: #fed7aa;
  --orange: #f97316;
  --accent: #fb923c;
  --accent-2: #ef4444;
  --panel: rgba(28, 16, 12, 0.85);
  --border: rgba(251, 146, 60, 0.28);
  --orb-a: rgba(251, 146, 60, 0.22);
  --orb-b: rgba(239, 68, 68, 0.14);
  --mesh-alpha: 0.1;
  --cosmos-opacity: 0.5;
}

[data-cosmic-theme="violet"] {
  --bg: #0c0618;
  --bg-soft: #150a28;
  --text: #ede9fe;
  --muted: #c4b5fd;
  --cyan: #a78bfa;
  --cyan-light: #ddd6fe;
  --orange: #e879f9;
  --accent: #a78bfa;
  --accent-2: #e879f9;
  --panel: rgba(21, 10, 40, 0.82);
  --border: rgba(167, 139, 250, 0.28);
  --orb-a: rgba(167, 139, 250, 0.22);
  --orb-b: rgba(232, 121, 249, 0.14);
  --mesh-alpha: 0.11;
  --cosmos-opacity: 0.58;
}

[data-cosmic-theme="slate"] {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --cyan: #64748b;
  --cyan-light: #cbd5e1;
  --orange: #94a3b8;
  --accent: #94a3b8;
  --accent-2: #64748b;
  --panel: rgba(30, 41, 59, 0.88);
  --border: rgba(148, 163, 184, 0.3);
  --orb-a: rgba(100, 116, 139, 0.2);
  --orb-b: rgba(148, 163, 184, 0.12);
  --mesh-alpha: 0.08;
  --cosmos-opacity: 0.45;
}

[data-cosmic-theme="dawn"] {
  --bg: #f1f5f9;
  --bg-soft: #e2e8f0;
  --text: #0f172a;
  --muted: #475569;
  --cyan: #0891b2;
  --cyan-light: #0e7490;
  --orange: #ea580c;
  --accent: #0891b2;
  --accent-2: #ea580c;
  --panel: rgba(255, 255, 255, 0.88);
  --border: rgba(15, 23, 42, 0.12);
  --orb-a: rgba(8, 145, 178, 0.15);
  --orb-b: rgba(234, 88, 12, 0.1);
  --mesh-alpha: 0.06;
  --cosmos-opacity: 0.35;
}

body {
  background:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 36%),
    radial-gradient(circle at 86% 2%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 30%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 65%) !important;
  color: var(--text) !important;
}

.mesh {
  opacity: var(--mesh-alpha) !important;
}

#cosmos {
  opacity: var(--cosmos-opacity) !important;
}

.orb-cyan {
  background: var(--orb-a) !important;
}

.orb-orange {
  background: var(--orb-b) !important;
}

[data-cosmic-theme="dawn"] .portal-title,
[data-cosmic-theme="dawn"] .portal-hero h2,
[data-cosmic-theme="dawn"] .landing-tagline h1 {
  color: #0f172a;
}

[data-cosmic-theme="dawn"] .portal-sub,
[data-cosmic-theme="dawn"] .portal-hero p {
  color: #475569;
}

/* Theme picker UI */
.cosmic-theme-picker {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 10000;
  font-family: Inter, system-ui, sans-serif;
}

.cosmic-theme-picker-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(12px);
  color: var(--cyan-light);
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s;
}

.cosmic-theme-picker-toggle:hover {
  transform: scale(1.06);
}

.cosmic-theme-picker-panel {
  position: absolute;
  bottom: 52px;
  left: 0;
  min-width: 200px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.cosmic-theme-picker-panel[hidden] {
  display: none !important;
}

.cosmic-theme-picker-panel h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 8px;
}

.cosmic-theme-picker-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.cosmic-theme-swatch {
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 8px 4px;
  cursor: pointer;
  font-size: 0.62rem;
  font-weight: 600;
  text-align: center;
  color: #f8fafc;
  transition: border-color 0.15s, transform 0.15s;
}

.cosmic-theme-swatch:hover {
  transform: scale(1.04);
}

.cosmic-theme-swatch.is-active {
  border-color: var(--cyan-light);
  box-shadow: 0 0 12px color-mix(in srgb, var(--cyan) 40%, transparent);
}

.cosmic-theme-swatch[data-theme="cosmic"] { background: linear-gradient(135deg, #020617, #06b6d4); }
.cosmic-theme-swatch[data-theme="aurora"] { background: linear-gradient(135deg, #04101a, #22d3ee); }
.cosmic-theme-swatch[data-theme="ember"] { background: linear-gradient(135deg, #120806, #fb923c); }
.cosmic-theme-swatch[data-theme="violet"] { background: linear-gradient(135deg, #0c0618, #a78bfa); }
.cosmic-theme-swatch[data-theme="slate"] { background: linear-gradient(135deg, #1e293b, #64748b); }
.cosmic-theme-swatch[data-theme="dawn"] { background: linear-gradient(135deg, #f1f5f9, #0891b2); color: #0f172a; }