/*
 * zuhora/css/planner.css
 * -----------------------------------------------------------------------------
 * Timezone planner - reference bar, time slider, zone rows, add-city button.
 * -----------------------------------------------------------------------------
 */

/* -- Section shell -------------------------------------------------------- */
.planner-section {
  padding: var(--space-20) 0 100px;
  position: relative;
}

.planner-section > .section-head {
  padding: 0 var(--gutter-mobile);
  text-align: center;
  margin-bottom: var(--space-12);
}

/* -- Planner container ---------------------------------------------------- */
.planner {
  margin: 0 auto;
  max-width: var(--content-max);
  padding: 0 var(--space-5);
}

/* -- Reference time bar --------------------------------------------------- */
.planner-ref {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: var(--space-6) var(--space-6) 0;
  margin-bottom: var(--space-1);
}

.planner-ref-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.planner-ref-label {
  font-size: var(--text-xs);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  /* --text-muted: 4.66:1 on --bg-surface - WCAG AA ✓ */
  color: var(--text-muted);
}

.ref-time-display {
  font-size: clamp(36px, 8vw, 56px);
  font-weight: 300;
  letter-spacing: var(--tracking-normal);
  /* --text-primary: 16.75:1 on --bg-surface - WCAG AAA ✓ */
  color: var(--text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.ref-meta {
  font-size: var(--text-sm);
  /* --text-secondary: 6.61:1 on --bg-surface - WCAG AA ✓ */
  color: var(--text-secondary);
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-2);
}

/* -- Time slider ---------------------------------------------------------- */
.time-slider-wrap {
  padding: var(--space-3) 0 var(--space-7);
}

.time-slider {
  width: 100%;
  height: 2px;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(
    to right,
    var(--accent) var(--pct, 50%),
    var(--border-mid) var(--pct, 50%)
  );
  outline: none;
  cursor: pointer;
  border-radius: 0;
}

/* Thumb - meets WCAG 2.5.5 target size (≥24×24px interactive area) */
.time-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-base);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
}

.time-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-base);
  cursor: pointer;
}

/* Focus ring on slider - WCAG 2.4.7 */
.time-slider:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* -- Day labels ----------------------------------------------------------- */
.slider-days {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-3);
  padding: 0 2px;
}

.slider-day {
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  /* --text-muted: 4.66:1 - WCAG AA ✓ */
  color: var(--text-muted);
  transition: color var(--duration-mid);
}

.slider-day.active {
  /* --accent: 7.78:1 on --bg-surface - WCAG AA ✓ */
  color: var(--accent);
}

/* -- Zone list ------------------------------------------------------------ */
.zones-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* -- Zone row ------------------------------------------------------------- */
.zone-row {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: var(--space-5) var(--space-6);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0 var(--space-5);
  align-items: center;
  position: relative;
  overflow: hidden;
  transition:
    background    var(--duration-mid),
    border-color  var(--duration-mid);
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
}

.zone-row:hover,
.zone-row.active {
  background: var(--bg-surface-hover);
  border-color: var(--border-accent);
}

.zone-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.zone-row.ref-zone {
  border-color: var(--border-accent-hi);
}

/* -- Day strip ------------------------------------------------------------ */
/* Decorative timeline bar - non-text, WCAG 1.4.11 UI component exempt */
.zone-daystrip {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  display: flex;
}

.daystrip-seg { flex: 1; }

/* -- City label ----------------------------------------------------------- */
.zone-city-wrap {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.zone-city {
  font-size: var(--text-md);
  font-weight: 300;
  letter-spacing: var(--tracking-normal);
  /* --text-primary: 16.75:1 on --bg-surface - WCAG AAA ✓ */
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zone-country {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  /* --text-muted: 4.66:1 on --bg-surface - WCAG AA ✓ */
  color: var(--text-muted);
}

/* -- Sun bar -------------------------------------------------------------- */
.zone-sunbar {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--space-2);
}

/* Non-text graphical element - WCAG 1.4.11 applies (3:1 vs adjacent bg) */
.sunbar-track {
  position: relative;
  height: 24px;
  background: rgba(74, 63, 107, 0.35);
}

.sunbar-fill {
  position: absolute;
  top: 50%;
  left: 0;
  bottom: 0;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(201, 168, 76, 0.35),
    rgba(240, 217, 138, 0.75)
  );
  height: 2px;
}

/* Cursor marker - decorative, non-text */
.sunbar-cursor {
  position: absolute;
  top: -3px;
  width: 2px;
  height: 32px;
  background: var(--accent-bright);
  transform: translateX(-50%);
}

.sunbar-labels {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.sunbar-label {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  /* --text-muted: 4.66:1 - WCAG AA ✓ */
  color: var(--text-muted);
}

/* -- Time display --------------------------------------------------------- */
.zone-time-wrap {
  text-align: right;
  flex-shrink: 0;
}

.zone-time {
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 300;
  letter-spacing: 0.03em;
  /* --text-primary: 16.75:1 - WCAG AAA ✓ */
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.zone-ampm {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  /* --accent: 7.78:1 on --bg-surface - WCAG AA ✓ */
  color: var(--accent);
  margin-top: var(--space-1);
}

.zone-offset {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  /* --text-muted: 4.66:1 - WCAG AA ✓ */
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.zone-day-badge {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 2px 6px;
  margin-top: var(--space-2);
  background: rgba(201, 168, 76, 0.14);
  /* --accent: 7.78:1 on --bg-surface - WCAG AA ✓ */
  color: var(--accent);
}

/* -- Add city button ------------------------------------------------------ */
.add-zone-row {
  background: transparent;
  border: 1px dashed var(--border-subtle);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  cursor: pointer;
  transition:
    border-color  var(--duration-mid),
    background    var(--duration-mid),
    color         var(--duration-mid);
  font-family: var(--font-serif);
  font-size: var(--text-base);
  letter-spacing: 0.20em;
  text-transform: uppercase;
  /* --text-muted: 4.66:1 on --bg-base - WCAG AA ✓ */
  color: var(--text-muted);
  margin-top: var(--space-1);
  -webkit-tap-highlight-color: transparent;
  /* min-height meets WCAG 2.5.5 target size guidance */
  min-height: 44px;
}

.add-zone-row:hover {
  border-color: var(--border-accent-hi);
  /* --accent: 8.54:1 on --bg-base - WCAG AA ✓ */
  color: var(--accent);
  background: rgba(201, 168, 76, 0.04);
}

.add-zone-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.add-icon {
  font-size: var(--text-lg);
  line-height: 1;
}

/* -- Feature cards -------------------------------------------------------- */
.features-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
  padding: 0 var(--space-5);
  max-width: var(--content-max);
  margin: var(--space-12) auto 0;
}

.feat-card {
  background: var(--bg-surface);
  padding: var(--space-8) var(--space-7);
  border: 1px solid var(--border-subtle);
}

.feat-num {
  font-size: var(--text-xs);
  letter-spacing: 0.20em;
  /* --text-muted: 4.66:1 on --bg-surface - WCAG AA ✓ */
  color: var(--text-muted);
  margin-bottom: var(--space-4);
  display: block;
}

.feat-title {
  font-size: var(--text-lg);
  font-weight: 400;
  /* --text-primary: 16.75:1 - WCAG AAA ✓ */
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.2;

  font-family: var(--font-serif);
}

.feat-desc {
  font-size: var(--text-md);
  line-height: 1.75;
  /* --text-secondary: 6.61:1 on --bg-surface - WCAG AA ✓ */
  color: var(--text-secondary);
}

/* -- Desktop -------------------------------------------------------------- */
@media (min-width: 680px) {
  .planner {
    padding: 0 var(--gutter-desk);
  }

  .planner-ref {
    padding: var(--space-8) var(--space-8) 0;
  }

  .zone-row {
    grid-template-columns: 180px 1fr auto;
    gap: 0 var(--space-7);
    padding: 18px var(--space-8);
  }

  .zone-city  { font-size: var(--text-lg); }
  .zone-time  { font-size: clamp(var(--text-lg), 3vw, var(--text-xl)); }

  .features-row {
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--space-14);
  }
}

@media (min-width: 900px) {
  .planner-section > .section-head {
    margin-bottom: var(--space-14);
  }
}