/* ═══════════════════════════════════════════════
   THEME TOGGLE — Global light/dark/system switcher
   Floating control with African-inspired geometry
   ═══════════════════════════════════════════════ */

/* Toggle button — always visible */
.theme-toggle {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-toggle:hover {
  border-color: var(--gold-dim);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4), 0 0 20px var(--gold-glow);
}

/* Individual option */
.theme-opt {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.theme-opt svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.theme-opt:hover {
  color: var(--gold);
}

.theme-opt:hover svg {
  transform: scale(1.15);
}

.theme-opt.active {
  background: var(--gold-glow);
  color: var(--gold-bright);
  box-shadow: 0 0 12px var(--gold-glow);
}

.theme-opt:active svg {
  transform: scale(0.9);
}

/* Tooltip */
.theme-opt::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-deep);
  color: var(--text-dim);
  font-family: var(--font-code);
  font-size: 0.58rem;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.2s;
  letter-spacing: 0.04em;
}

.theme-opt:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════════════
   AFRICAN SPIRITUAL PATTERNS — Sacred background
   Kente-inspired geometric weaving
   ═══════════════════════════════════════════════ */

/* SVG pattern applied as background */
.african-pattern {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.018;
  background-repeat: repeat;
  background-size: 120px 120px;
  transition: opacity 0.5s;
}

/* Pattern adjusts with theme */
[data-theme="parchment"] .african-pattern,
[data-theme="sepia"] .african-pattern {
  opacity: 0.035;
  filter: invert(1);
}

[data-theme="dawn"] .african-pattern {
  opacity: 0.025;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 480px) {
  .theme-toggle {
    bottom: 1rem;
    left: 1rem;
  }
  .theme-opt {
    width: 30px;
    height: 30px;
  }
  .theme-opt svg {
    width: 14px;
    height: 14px;
  }
  .theme-opt::after {
    display: none;
  }
}