* {
  box-sizing: border-box;
}

:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #60a5fa;
  --accent: #34d399;
  --danger: #f87171;
  --glow: rgba(96,165,250,0.35);
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1000px 500px at 20% -10%, rgba(52, 211, 153, 0.08), transparent),
              radial-gradient(800px 400px at 80% 0%, rgba(96, 165, 250, 0.10), transparent),
              linear-gradient(180deg, #0b1220, var(--bg));
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  padding: 24px;
  text-align: center;
}

.site-header h1 {
  margin: 0 0 8px;
  font-size: 32px;
}

.tagline {
  margin: 0;
  color: var(--muted);
}

.card {
  background: linear-gradient(180deg, #0e1626, var(--card));
  border: 1px solid #1f2937;
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.02) inset;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  align-items: start;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input[type="datetime-local"],
.field input[type="time"],
.field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #1f2937;
  border-radius: 10px;
  background: #0b1220;
  color: var(--text);
  outline: none;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.field input:focus, .field select:focus {
  border-color: #334155;
  box-shadow: 0 0 0 3px var(--glow);
}

.field small {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.hidden { display: none; }

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

button.primary {
  background: linear-gradient(90deg, var(--primary), #93c5fd);
  color: #0b1220;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(96,165,250,0.2);
}

button.ghost {
  background: transparent;
  border: 1px solid #374151;
  color: var(--text);
  border-radius: 10px;
  padding: 12px 18px;
  cursor: pointer;
}

button.primary:hover { filter: brightness(1.05); }
button.ghost:hover { border-color: #4b5563; }

.results {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.result-item {
  display: grid;
  grid-template-columns: 1.2fr 1fr 2fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #1f2937;
  border-radius: 12px;
  background: #0b1220;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}

.result-item .zone {
  font-weight: 600;
}

.result-item .meta {
  color: var(--muted);
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-bar {
  height: 12px;
  flex: 1;
  border-radius: 999px;
  background: #0e1626;
  border: 1px solid #1f2937;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

.progress-wrap .percent {
  width: 64px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.muted { color: var(--muted); }

.notes {
  margin: 0;
  padding-left: 20px;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 24px;
}

/* World Clock */
.world-clock {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.country-card {
  padding: 12px;
  border: 1px solid #1f2937;
  border-radius: 12px;
  background: #0b1220;
}

.country-card .country {
  font-weight: 700;
}

.country-card .time {
  color: var(--muted);
  margin-top: 4px;
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  margin-bottom: 12px;
}

.toolbar input[type="text"], .toolbar select {
  padding: 10px 12px;
  border: 1px solid #1f2937;
  border-radius: 10px;
  background: #0b1220;
  color: var(--text);
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: #0b1220;
  border: 1px solid #1f2937;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.chip.selected {
  background: linear-gradient(90deg, var(--accent), var(--primary));
  color: #0b1220;
  border-color: transparent;
}

/* Clock Picker */
.clock-picker { display: grid; place-items: center; gap: 8px; margin-top: 8px; }
.clock-toolbar { display: flex; gap: 8px; }
.chip.small { padding: 6px 10px; font-size: 12px; }
#clockCanvas { background: #0b1220; border: 1px solid #1f2937; border-radius: 12px; }
.clock-readout { font-variant-numeric: tabular-nums; color: var(--muted); }

/* All Timezones list */
.tz-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.tz-item {
  padding: 12px;
  border: 1px solid #1f2937;
  border-radius: 12px;
  background: #0b1220;
}

.tz-name { font-weight: 600; }
.tz-time { color: var(--muted); margin-top: 4px; }

/* Pager */
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; justify-content: space-between; margin-top: 10px; }
.pager .pager-info { color: var(--muted); }
.pager .btn { padding: 8px 12px; border: 1px solid #1f2937; border-radius: 10px; background: #0b1220; color: var(--text); cursor: pointer; min-width: 80px; }
.pager .btn.disabled { opacity: 0.5; cursor: not-allowed; }
@media (max-width: 600px) {
  .pager { justify-content: center; }
  .pager .pager-info { width: 100%; text-align: center; }
}