/* ═══════════════════════════════════════════════════════════
   TIME-USE LAB — page-specific styles. Editorial chrome inherits
   from main.css; this file adds the cohort picker, the radial
   24-hour clock, the comparison bars, and the surprise-reveal grid.
   ═══════════════════════════════════════════════════════════ */

.tu-main {
  background: var(--paper);
  color: var(--ink);
}

/* ── Hero ───────────────────────────────────────────────────── */
.tu-hero {
  padding: 120px 48px 60px;
  max-width: 1200px;
  margin: 0 auto;
}
.tu-title { margin-top: 22px; }
.tu-kicker {
  margin-top: 24px;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.tu-dateline {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 900px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.tu-dateline .label { color: var(--ink-dim); }
.tu-dateline .value {
  color: var(--ink);
  margin-top: 4px;
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 12px;
}

/* ── Section wrapper ───────────────────────────────────────── */
.tu-section {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.tu-section .section-label { margin-bottom: 28px; }
.tu-prose { max-width: 720px; }
.tu-prose p {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
}
.tu-lede {
  font-family: "Newsreader", Georgia, serif;
  font-style: italic;
  font-size: 22px !important;
  line-height: 1.4 !important;
  color: var(--ink) !important;
}
.tu-note {
  max-width: 760px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 36px;
}

/* ── Cohort picker ──────────────────────────────────────────── */
.tu-picker {
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 1100px;
  margin-bottom: 32px;
}
.tu-picker-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  gap: 14px;
  font-size: 11px;
}
.tu-picker-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.tu-picker-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tu-chip {
  background: transparent;
  border: 1px solid var(--ink-dim);
  color: var(--ink-soft);
  padding: 5px 12px;
  border-radius: 999px;
  font-family: "Newsreader", Georgia, serif;
  font-style: italic;
  font-size: 14px;
  cursor: pointer;
  transition: background 150ms, color 150ms, border-color 150ms;
}
.tu-chip:hover { border-color: var(--ink); color: var(--ink); }
.tu-chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.tu-reset-btn {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 6px 14px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}
.tu-reset-btn:hover { background: var(--ink); color: var(--paper); }

/* ── Clock ──────────────────────────────────────────────────── */
.tu-clock-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 360px);
  gap: 36px;
  align-items: start;
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 28px 28px 26px;
}
.tu-clock-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.tu-clock-head {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink-dim);
  padding-bottom: 8px;
}
#tu-clock {
  width: 100%;
  height: auto;
  display: block;
  /* Architectural plate vibe: thin lines, generous whitespace. */
}
#tu-clock .seg {
  cursor: pointer;
  transition: opacity 180ms;
  stroke: var(--paper);
  stroke-width: 1.5;
}
#tu-clock .seg:hover { opacity: 0.78; }
#tu-clock .hour-tick {
  stroke: var(--ink-dim);
  stroke-width: 0.5;
}
#tu-clock .hour-label {
  font-family: "DM Mono", monospace;
  font-size: 9px;
  fill: var(--ink-dim);
  letter-spacing: 0.06em;
}
#tu-clock .hub-stat-num {
  font-family: "Newsreader", Georgia, serif;
  font-size: 36px;
  fill: var(--ink);
  text-anchor: middle;
}
#tu-clock .hub-stat-lbl {
  font-family: "DM Mono", monospace;
  font-size: 8px;
  fill: var(--ink-dim);
  letter-spacing: 0.18em;
  text-anchor: middle;
  text-transform: uppercase;
}

/* Legend */
.tu-legend {
  border-left: 1px solid var(--ink-dim);
  padding-left: 24px;
  font-size: 11px;
}
.tu-legend-head {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 14px;
}
.tu-legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tu-legend-list li {
  display: grid;
  grid-template-columns: 14px 1fr 60px;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  border-bottom: 1px dotted var(--ink-dim);
  font-size: 12px;
}
.tu-legend-list li:last-child { border-bottom: none; }
.tu-legend-swatch {
  width: 12px;
  height: 12px;
  display: inline-block;
  border-radius: 2px;
}
.tu-legend-name {
  font-family: "Newsreader", Georgia, serif;
  font-size: 14px;
  color: var(--ink);
}
.tu-legend-min {
  font-family: "DM Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--ink-soft);
  text-align: right;
}

/* ── Compare ────────────────────────────────────────────────── */
.tu-compare-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
  font-size: 11px;
}
.tu-compare-side label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 6px;
}
.tu-compare-side select {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 8px 10px;
  font-family: "DM Mono", monospace;
  font-size: 12px;
  color: var(--ink);
  border-radius: 0;
  cursor: pointer;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.tu-compare-bars {
  border: 1px solid var(--ink);
  padding: 22px 26px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.tu-cmp-row {
  display: grid;
  grid-template-columns: 130px 1fr 1fr 60px;
  gap: 12px;
  align-items: center;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  padding: 8px 0;
  border-bottom: 1px dotted var(--ink-dim);
}
.tu-cmp-row:last-child { border-bottom: none; }
.tu-cmp-row .name {
  font-family: "Newsreader", Georgia, serif;
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 0;
}
.tu-cmp-bar {
  height: 14px;
  background: rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.tu-cmp-bar .fill {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  background: var(--ink-dim);
}
.tu-cmp-bar.b .fill { background: var(--accent-2); }
.tu-cmp-row.diff-major .tu-cmp-bar .fill { background: var(--accent); }
.tu-cmp-row.diff-major.b .tu-cmp-bar .fill { background: var(--accent-2); }
.tu-cmp-delta {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-dim);
}
.tu-cmp-delta.major { color: var(--accent); font-weight: 500; }

/* ── Surprises ──────────────────────────────────────────────── */
.tu-surprises {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--ink);
}
.tu-surprise-card {
  padding: 22px 22px 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.tu-surprise-card:nth-child(3n) { border-right: none; }
.tu-surprise-card:nth-last-child(-n+3) { border-bottom: none; }
.tu-surprise-fig {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.tu-surprise-title {
  font-family: "Newsreader", Georgia, serif;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}
.tu-surprise-bars { display: flex; flex-direction: column; gap: 8px; }
.tu-surprise-bar-row {
  display: grid;
  grid-template-columns: 1fr 60px;
  gap: 10px;
  align-items: center;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.tu-surprise-bar {
  height: 18px;
  background: rgba(0,0,0,0.06);
  position: relative;
}
.tu-surprise-bar .fill {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  background: var(--ink-dim);
}
.tu-surprise-bar.alt .fill { background: var(--accent); }
.tu-surprise-bar .label-inside {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 8px;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  pointer-events: none;
  text-shadow: 0 0 1px rgba(0,0,0,0.2);
}
.tu-surprise-bar-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* ── Receipts ───────────────────────────────────────────────── */
.tu-receipts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--ink);
}
.tu-receipt {
  padding: 22px 20px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.tu-receipt:nth-child(4n) { border-right: none; }
.tu-receipt:nth-last-child(-n+4) { border-bottom: none; }
.tu-receipt-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.tu-receipt-value {
  font-family: "Newsreader", Georgia, serif;
  font-size: 30px;
  line-height: 1;
  color: var(--ink);
}
.tu-receipt-value .small {
  font-size: 16px;
  color: var(--ink-soft);
  margin-left: 4px;
}

.tu-colophon-section { padding-bottom: 80px; }

/* ── Mobile ─────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .tu-hero, .tu-section { padding-left: 24px; padding-right: 24px; }
  .tu-clock-wrap { grid-template-columns: 1fr; gap: 24px; }
  .tu-legend { border-left: none; border-top: 1px solid var(--ink-dim); padding-left: 0; padding-top: 16px; }
  .tu-compare-controls { grid-template-columns: 1fr; }
  .tu-surprises { grid-template-columns: 1fr; }
  .tu-surprise-card { border-right: none; }
  .tu-surprise-card:nth-last-child(-n+3) { border-bottom: 1px solid var(--ink); }
  .tu-surprise-card:last-child { border-bottom: none; }
  .tu-receipts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tu-receipt:nth-child(4n) { border-right: 1px solid var(--ink); }
  .tu-receipt:nth-child(2n) { border-right: none; }
  .tu-dateline { grid-template-columns: 1fr; gap: 14px; }
  .tu-picker-row { grid-template-columns: 1fr; }
  .tu-cmp-row { grid-template-columns: 100px 1fr 1fr 50px; font-size: 10px; }
}
@media (max-width: 540px) {
  .tu-receipts { grid-template-columns: 1fr; }
  .tu-receipt { border-right: none; }
}