*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ── Themes ────────────────────────────────────────── */
:root, [data-theme="midnight"] {
  --bg:             #0a0a18;
  --bg2:            #11112a;
  --header-bg:      rgba(10,10,24,0.85);
  --border:         rgba(255,255,255,0.08);
  --text:           #e2e8f0;
  --text-muted:     rgba(255,255,255,0.4);
  --accent:         #a78bfa;
  --accent-glow:    rgba(167,139,250,0.35);
  --face-light:     #1e1b4b;
  --face-dark:      #0d0b2e;
  --ring-outer:     #0d0b2e;
  --ring-inner:     rgba(167,139,250,0.15);
  --hand-hour:      #c4b5fd;
  --hand-minute:    #ddd6fe;
  --hand-highlight: #ffffff;
  --tick-major:     rgba(167,139,250,0.9);
  --tick-minor:     rgba(255,255,255,0.2);
  --num-color:      rgba(200,190,255,0.85);
  --panel-bg:       rgba(167,139,250,0.06);
  --panel-border:   rgba(167,139,250,0.15);
  --glow-bg:        radial-gradient(ellipse at 50% 0%, rgba(167,139,250,0.12) 0%, transparent 70%);
}

[data-theme="ocean"] {
  --bg:             #020d1a;
  --bg2:            #041525;
  --header-bg:      rgba(2,13,26,0.85);
  --border:         rgba(255,255,255,0.08);
  --accent:         #38bdf8;
  --accent-glow:    rgba(56,189,248,0.35);
  --face-light:     #0c2a4a;
  --face-dark:      #051525;
  --ring-outer:     #051525;
  --ring-inner:     rgba(56,189,248,0.15);
  --hand-hour:      #7dd3fc;
  --hand-minute:    #bae6fd;
  --hand-highlight: #ffffff;
  --tick-major:     rgba(56,189,248,0.9);
  --tick-minor:     rgba(255,255,255,0.2);
  --num-color:      rgba(186,230,253,0.85);
  --panel-bg:       rgba(56,189,248,0.06);
  --panel-border:   rgba(56,189,248,0.15);
  --glow-bg:        radial-gradient(ellipse at 50% 0%, rgba(56,189,248,0.12) 0%, transparent 70%);
  --text:           #e0f2fe;
  --text-muted:     rgba(255,255,255,0.4);
}

[data-theme="sunset"] {
  --bg:             #160a00;
  --bg2:            #241000;
  --header-bg:      rgba(22,10,0,0.85);
  --border:         rgba(255,255,255,0.08);
  --accent:         #fb923c;
  --accent-glow:    rgba(251,146,60,0.35);
  --face-light:     #3b1a00;
  --face-dark:      #1a0a00;
  --ring-outer:     #1a0a00;
  --ring-inner:     rgba(251,146,60,0.15);
  --hand-hour:      #fdba74;
  --hand-minute:    #fed7aa;
  --hand-highlight: #ffffff;
  --tick-major:     rgba(251,146,60,0.9);
  --tick-minor:     rgba(255,255,255,0.2);
  --num-color:      rgba(254,215,170,0.85);
  --panel-bg:       rgba(251,146,60,0.06);
  --panel-border:   rgba(251,146,60,0.15);
  --glow-bg:        radial-gradient(ellipse at 50% 0%, rgba(251,146,60,0.12) 0%, transparent 70%);
  --text:           #ffedd5;
  --text-muted:     rgba(255,255,255,0.4);
}

[data-theme="forest"] {
  --bg:             #030f06;
  --bg2:            #061a0a;
  --header-bg:      rgba(3,15,6,0.85);
  --border:         rgba(255,255,255,0.08);
  --accent:         #4ade80;
  --accent-glow:    rgba(74,222,128,0.35);
  --face-light:     #0d2e15;
  --face-dark:      #061508;
  --ring-outer:     #061508;
  --ring-inner:     rgba(74,222,128,0.15);
  --hand-hour:      #86efac;
  --hand-minute:    #bbf7d0;
  --hand-highlight: #ffffff;
  --tick-major:     rgba(74,222,128,0.9);
  --tick-minor:     rgba(255,255,255,0.2);
  --num-color:      rgba(187,247,208,0.85);
  --panel-bg:       rgba(74,222,128,0.06);
  --panel-border:   rgba(74,222,128,0.15);
  --glow-bg:        radial-gradient(ellipse at 50% 0%, rgba(74,222,128,0.12) 0%, transparent 70%);
  --text:           #dcfce7;
  --text-muted:     rgba(255,255,255,0.4);
}

[data-theme="rose"] {
  --bg:             #160610;
  --bg2:            #230a1a;
  --header-bg:      rgba(22,6,16,0.85);
  --border:         rgba(255,255,255,0.08);
  --accent:         #f472b6;
  --accent-glow:    rgba(244,114,182,0.35);
  --face-light:     #3b0a28;
  --face-dark:      #1a0512;
  --ring-outer:     #1a0512;
  --ring-inner:     rgba(244,114,182,0.15);
  --hand-hour:      #f9a8d4;
  --hand-minute:    #fbcfe8;
  --hand-highlight: #ffffff;
  --tick-major:     rgba(244,114,182,0.9);
  --tick-minor:     rgba(255,255,255,0.2);
  --num-color:      rgba(251,207,232,0.85);
  --panel-bg:       rgba(244,114,182,0.06);
  --panel-border:   rgba(244,114,182,0.15);
  --glow-bg:        radial-gradient(ellipse at 50% 0%, rgba(244,114,182,0.12) 0%, transparent 70%);
  --text:           #fce7f3;
  --text-muted:     rgba(255,255,255,0.4);
}

/* ── Base ───────────────────────────────────────────── */
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--glow-bg);
  pointer-events: none;
  z-index: 0;
}

/* ── Header ─────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.header-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* 12/24h button */
.pill-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  color: var(--accent);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.pill-btn:hover {
  background: rgba(255,255,255,0.08);
  color: white;
}

/* Timezone select */
.tz-select {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  cursor: pointer;
  outline: none;
  transition: all 0.2s;
}
.tz-select:hover, .tz-select:focus {
  border-color: var(--panel-border);
  color: var(--text);
}
.tz-select option { background: #1a1a2e; color: #e2e8f0; }

/* Theme dots */
.theme-switcher {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.5rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 20px;
}

.theme-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
  box-shadow: 0 0 0 0 var(--c);
}
.theme-dot:hover    { transform: scale(1.2); }
.theme-dot.active   { border-color: white; box-shadow: 0 0 0 1px var(--c); }

/* ── Main ───────────────────────────────────────────── */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

/* ── Clock ──────────────────────────────────────────── */
.clock-wrap {
  width: min(72vw, 320px);
  height: min(72vw, 320px);
  position: relative;
  filter: drop-shadow(0 0 50px var(--accent-glow));
  animation: float 5s ease-in-out infinite;
  transition: filter 0.4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

#clockSVG {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Smooth hand rotation */
#hourHand, #minuteHand, #secondHand {
  transition: none;
}

/* ── Info panel ─────────────────────────────────────── */
.info-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 1.25rem 2.5rem;
  backdrop-filter: blur(10px);
  transition: background 0.4s, border-color 0.4s;
}

.digital-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text);
  text-shadow: 0 0 20px var(--accent-glow);
}

.date-display {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.tz-label {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.8;
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 480px) {
  header { padding: 0.65rem 1rem; }
  .header-title { font-size: 0.85rem; }
  .digital-time { font-size: 1.6rem; }
  .info-panel { padding: 1rem 1.75rem; }
}