:root {
  color-scheme: dark;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  --bg: #0b0f14;
  --card: #0f1621;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #8b5cf6;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #141b2a, #0b0f14 70%);
  color: var(--text);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px 56px;
  display: grid;
  gap: 24px;
}

.hero {
  display: grid;
  gap: 10px;
  text-align: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border-radius: 5px;
  padding: 16px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  grid-template-columns: 1fr auto;
  align-items: start;
}

.card-header {
  grid-column: 1;
  grid-row: 1;
}

.time {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  text-align: right;
}

.divider,
.preview,
.date {
  grid-column: 1 / -1;
}

.card-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

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

.time {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.date {
  color: var(--muted);
  font-size: 0.85rem;
  text-align: right;
  justify-self: end;
}

.preview {
  display: grid;
  gap: 6px 10px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.preview-label {
  font-size: 0.85rem;
  color: var(--muted);
  grid-column: 1 / -1;
}

.preview-input {
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 5px;
  padding: 8px 10px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: #0b121b;
  color: var(--text);
}

.preview-input:focus {
  border-color: var(--accent-color, var(--accent));
  box-shadow: none;
}

.preview-output {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(var(--accent-rgb, 139, 92, 246), 0.14);
  border: 1px solid var(--accent-color, #8b5cf6);
  border-radius: 5px;
  padding: 8px 10px;
}

.preview-input,
.preview-output {
  width: 100%;
}

.card[data-theme="indo"] {
  --accent-color: #f43f5e;
  --accent-rgb: 244, 63, 94;
  border-color: rgba(244, 63, 94, 0.4);
}

.card[data-theme="madagascar"] {
  --accent-color: #22c55e;
  --accent-rgb: 34, 197, 94;
  border-color: rgba(34, 197, 94, 0.4);
}

.card[data-theme="brazil"] {
  --accent-color: #facc15;
  --accent-rgb: 250, 204, 21;
  border-color: rgba(250, 204, 21, 0.4);
}

.card[data-theme="india"] {
  --accent-color: #fb923c;
  --accent-rgb: 251, 146, 60;
  border-color: rgba(251, 146, 60, 0.4);
}

.card[data-theme] .preview-input {
  border-color: var(--accent-color);
}

.card[data-theme] .preview-label {
  color: var(--accent-color);
}

.divider {
  height: 1px;
  background: rgba(148, 163, 184, 0.2);
  margin: 0;
}

.currency {
  display: grid;
  gap: 12px;
}

.section-header {
  display: grid;
  gap: 6px;
  text-align: center;
}

.section-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.currency-panel {
  background: var(--card);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 6px;
  padding: 16px;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
}

.currency-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
}

.currency-field {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.currency-input {
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 5px;
  padding: 8px 10px;
  font-size: 0.95rem;
  background: #0b121b;
  color: var(--text);
  outline: none;
}

.currency-input:focus {
  border-color: var(--accent);
}

.currency-note {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
}

@media (max-width: 600px) {
  .page {
    padding: 18px 12px 28px;
    gap: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hero {
    gap: 6px;
  }

  .eyebrow {
    font-size: 0.7rem;
  }

  h1 {
    font-size: 1.35rem;
  }

  .subtitle {
    font-size: 0.85rem;
  }

  .card {
    padding: 12px;
    gap: 8px;
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .card-header {
    grid-column: 1;
    grid-row: 1;
  }

  .time {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    text-align: right;
    font-size: 1rem;
  }

  .divider,
  .preview,
  .date {
    grid-column: 1 / -1;
  }

  .time {
    font-size: 1.1rem;
  }

  .preview {
    gap: 6px 8px;
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .preview-label {
    grid-column: 1 / -1;
  }

  .preview-input,
  .preview-output {
    width: 100%;
  }

  .preview-input {
    padding: 6px 8px;
    font-size: 0.85rem;
  }

  .preview-output {
    padding: 6px 8px;
    font-size: 0.85rem;
  }

  .date {
    font-size: 0.78rem;
  }

  .section-header h2 {
    font-size: 1.05rem;
  }

  .currency-panel {
    padding: 12px;
    gap: 8px;
  }

  .currency-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .currency-input {
    padding: 6px 8px;
    font-size: 0.9rem;
  }
}