/**
 * Timezone Dual-time Display — Phase 5: Polish & Urgency
 *
 * Styles for <time class="tz-time" data-utc="..."> elements hydrated
 * by timezoneManager.js v3. Designed to work within existing Bootstrap 5
 * + tokens.css design system.
 */

/* ─── Base: <time> element ─────────────────────────────────────────── */

time.tz-time {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.35;
  vertical-align: baseline;
}

/* When used inline in flowing text, keep it inline */
p time.tz-time,
span time.tz-time,
li time.tz-time,
td time.tz-time,
.d-inline time.tz-time {
  display: inline-flex;
}

/* ─── Primary line ─────────────────────────────────────────────────── */

time.tz-time .tz-primary {
  display: block;
  font-weight: 500;
  white-space: nowrap;
}

/* ─── Secondary line (the "other" timezone) ────────────────────────── */

time.tz-time .tz-secondary {
  display: block;
  font-size: 0.82em;
  color: var(--color-text-muted, #6c757d);
  white-space: nowrap;
  line-height: 1.3;
}

/* ─── Compact mode (table cells, tight spaces) ─────────────────────── */

time.tz-time.tz-compact {
  display: inline;
  flex-direction: unset;
  cursor: default;
  position: relative;
}

time.tz-time.tz-compact .tz-primary {
  display: inline;
  font-weight: inherit;
}

time.tz-time.tz-compact .tz-secondary {
  display: none; /* shown on hover via CSS below */
}

/* CSS tooltip: show secondary timezone on hover */
time.tz-time.tz-compact[data-tz-tooltip]:hover .tz-secondary {
  display: inline-block;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-dark, #333);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.82em;
  white-space: nowrap;
  z-index: 1000;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Tooltip arrow */
time.tz-time.tz-compact[data-tz-tooltip]:hover .tz-secondary::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-surface-dark, #333);
}

/* ─── Inside cards / update bars ───────────────────────────────────── */

.update-bar time.tz-time,
.prediction-timer time.tz-time,
.commentary-timestamp time.tz-time {
  display: inline-flex;
  flex-direction: row;
  gap: 0.35em;
  align-items: baseline;
}

.update-bar time.tz-time .tz-secondary,
.prediction-timer time.tz-time .tz-secondary,
.commentary-timestamp time.tz-time .tz-secondary {
  font-size: 0.85em;
}

/* ─── Phase dashboard / header update badges ───────────────────────── */

.last-update time.tz-time {
  display: inline-flex;
  flex-direction: row;
  gap: 0.3em;
  align-items: baseline;
}

.last-update time.tz-time .tz-secondary::before {
  content: "·";
  margin-right: 0.25em;
}

/* ─── Responsive: stack on mobile ──────────────────────────────────── */

@media (max-width: 575.98px) {
  time.tz-time {
    flex-direction: column;
  }

  /* In update bars, also stack on mobile */
  .update-bar time.tz-time,
  .last-update time.tz-time {
    flex-direction: column;
    gap: 0;
  }

  .last-update time.tz-time .tz-secondary::before {
    content: none;
  }
}

/* ─── Accessibility: focus outline for keyboard nav ────────────────── */

time.tz-time:focus-visible {
  outline: 2px solid var(--color-btn-blue, #007bff);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ─── Urgency styling for approaching deadlines ────────────────────── */
/* Applied by timezoneManager.js when data-deadline="true" on <time>    */

time.tz-time.tz-urgency-soon .tz-primary {
  color: var(--color-warning, #ed6c02);
}

time.tz-time.tz-urgency-warning .tz-primary {
  color: var(--color-warning-dark, #e65100);
  font-weight: 600;
}

time.tz-time.tz-urgency-critical .tz-primary {
  color: var(--color-danger, #d32f2f);
  font-weight: 700;
}

time.tz-time.tz-urgency-critical {
  animation: tz-pulse 2s ease-in-out infinite;
}

@keyframes tz-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Compact urgency — colour the text directly */
time.tz-time.tz-compact.tz-urgency-soon {
  color: var(--color-warning, #ed6c02);
}

time.tz-time.tz-compact.tz-urgency-warning {
  color: var(--color-warning-dark, #e65100);
  font-weight: 600;
}

time.tz-time.tz-compact.tz-urgency-critical {
  color: var(--color-danger, #d32f2f);
  font-weight: 700;
}

/* ─── Dark mode support ────────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
  time.tz-time .tz-secondary {
    color: rgba(255, 255, 255, 0.55);
  }

  time.tz-time.tz-urgency-soon .tz-primary,
  time.tz-time.tz-compact.tz-urgency-soon {
    color: #ffb74d;
  }

  time.tz-time.tz-urgency-warning .tz-primary,
  time.tz-time.tz-compact.tz-urgency-warning {
    color: #ff9800;
  }

  time.tz-time.tz-urgency-critical .tz-primary,
  time.tz-time.tz-compact.tz-urgency-critical {
    color: #ef5350;
  }
}