/* ═══════════════════════════════════════════════════════
   DateTime Super-Template — date/time calculator styles
   ═══════════════════════════════════════════════════════ */

/* ── Today Button ── */
.dt-today-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent, #2563eb);
  background: var(--surface-alt, #eff6ff);
  border: 1px solid var(--accent, #2563eb);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
  margin-left: 0.5rem;
  vertical-align: middle;
}
.dt-today-btn:hover {
  background: var(--accent, #2563eb);
  color: #fff;
}

/* ── Date input row — input + today button side by side ── */
.dt-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.dt-input-row input[type="date"] {
  flex: 1;
  min-width: 160px;
}

/* ── Enhanced date inputs ── */
input[type="date"].dt-enhanced {
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  border: 2px solid var(--border, #d1d5db);
  border-radius: 8px;
  background: var(--surface, #fff);
  color: var(--text, #111827);
  transition: border-color 0.2s;
  width: 100%;
  font-family: inherit;
}
input[type="date"].dt-enhanced:focus {
  border-color: var(--accent, #2563eb);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ── Multi-unit result breakdown ── */
.dt-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0;
}
.dt-breakdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 0.5rem;
  background: var(--surface-alt, #f8fafc);
  border-radius: 10px;
  border: 1px solid var(--border, #e5e7eb);
  transition: transform 0.15s, box-shadow 0.15s;
}
.dt-breakdown-unit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.dt-breakdown-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent, #2563eb);
  line-height: 1.2;
}
.dt-breakdown-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted, #6b7280);
  margin-top: 0.25rem;
}

/* ── Relative time display ── */
.dt-relative {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  margin: 0.75rem 0;
  background: var(--surface-alt, #eff6ff);
  border-left: 3px solid var(--accent, #2563eb);
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
  color: var(--text, #374151);
}
.dt-relative-icon {
  font-size: 1.1rem;
}

/* ── Live countdown ── */
.dt-countdown {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0;
  padding: 1rem;
  background: linear-gradient(135deg, var(--surface-alt, #f0f9ff) 0%, var(--surface, #fff) 100%);
  border-radius: 12px;
  border: 1px solid var(--border, #e0e7ff);
}
.dt-countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}
.dt-countdown-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent, #2563eb);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.dt-countdown-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted, #6b7280);
  margin-top: 0.2rem;
}
.dt-countdown-sep {
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--text-muted, #9ca3af);
  align-self: flex-start;
  margin-top: 0.15rem;
}

/* ── Countdown pulse animation ── */
.dt-countdown-value.dt-pulse {
  animation: dt-pulse 1s ease-in-out;
}
@keyframes dt-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

/* ── Calendar mini visual ── */
.dt-mini-cal {
  display: inline-grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  font-size: 0.7rem;
  margin: 0.75rem 0;
  max-width: 260px;
}
.dt-mini-cal-header {
  font-weight: 700;
  text-align: center;
  color: var(--text-muted, #6b7280);
  padding: 0.2rem;
}
.dt-mini-cal-day {
  text-align: center;
  padding: 0.25rem;
  border-radius: 4px;
  cursor: default;
}
.dt-mini-cal-day.today {
  background: var(--accent, #2563eb);
  color: #fff;
  font-weight: 700;
}
.dt-mini-cal-day.target {
  background: var(--warning, #f59e0b);
  color: #fff;
  font-weight: 700;
}
.dt-mini-cal-day.in-range {
  background: rgba(37, 99, 235, 0.1);
}
.dt-mini-cal-day.empty {
  visibility: hidden;
}

/* ── Dark mode ── */
[data-theme="dark"] .dt-today-btn {
  background: rgba(37, 99, 235, 0.15);
  border-color: var(--accent, #60a5fa);
  color: var(--accent, #60a5fa);
}
[data-theme="dark"] .dt-today-btn:hover {
  background: var(--accent, #60a5fa);
  color: #111;
}
[data-theme="dark"] input[type="date"].dt-enhanced {
  background: var(--surface, #1e293b);
  border-color: var(--border, #334155);
  color: var(--text, #e2e8f0);
}
[data-theme="dark"] .dt-breakdown-unit {
  background: var(--surface, #1e293b);
  border-color: var(--border, #334155);
}
[data-theme="dark"] .dt-relative {
  background: rgba(37, 99, 235, 0.1);
}
[data-theme="dark"] .dt-countdown {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, var(--surface, #1e293b) 100%);
  border-color: var(--border, #334155);
}
[data-theme="dark"] .dt-mini-cal-day.in-range {
  background: rgba(96, 165, 250, 0.15);
}

/* ── Mobile ── */
@media (max-width: 480px) {
  .dt-breakdown {
    grid-template-columns: repeat(2, 1fr);
  }
  .dt-countdown {
    gap: 0.4rem;
    padding: 0.75rem;
  }
  .dt-countdown-value {
    font-size: 1.5rem;
  }
  .dt-countdown-sep {
    font-size: 1.3rem;
  }
}