/* ==========================================================================
   QUIZZITCH — layout.css
   Matching CelesteCon #26 official design architecture (celestecon.aeross.org).
   Warm bone/ivory cards, deep obsidian viewport, HUD, lounge, workspace, dossier.
   ========================================================================== */

/* --- 01 · SCREEN CONTAINERS & WRAPPERS ------------------------------------ */
.screen {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  position: relative;
  z-index: 1;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Grids */
.grid {
  display: grid;
  gap: 22px;
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 900px) {
  .grid--2 {
    grid-template-columns: 1fr;
  }
}
.grid--tight {
  gap: 14px;
}
.grid--stretch {
  align-items: stretch;
}

/* --- 02 · PERSISTENT HUD -------------------------------------------------- */
.hud {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--hud-h);
  background: rgba(16, 14, 12, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
}

.hud__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud__mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  background: var(--crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hud__mark::after {
  content: "Q";
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: #fff;
}

.hud__id {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.hud__id strong {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: .08em;
  color: var(--bone-hi);
  font-weight: 400;
}
.hud__id small {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .04em;
  color: var(--bone-dim);
  text-transform: uppercase;
}

.hud__clock {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-input);
  border: 1px solid var(--border-sub);
  padding: 6px 14px;
  border-radius: var(--radius-xs);
}
.hud__clock-cap {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.hud__clock-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--crimson);
}
.hud__clock-val.is-warn { color: var(--warning); }
.hud__clock-val.is-bad  { color: var(--danger); }

.hud__meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.strikes {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  background: var(--surface-input);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius-xs);
}
.strikes__pip {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  background: var(--surface-3);
  color: var(--ink-4);
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.strikes__pip.is-armed,
.strikes__pip.is-hit {
  background: var(--crimson);
  color: #fff;
}

/* --- 03 · HERO BANNER (ONBOARDING) ---------------------------------------- */
.hero {
  text-align: center;
  max-width: 820px;
  margin: 10px auto 14px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-bottom: 8px;
}
.hero__tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 400;
  text-transform: uppercase;
  color: var(--bone-hi);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.hero__title span {
  color: var(--crimson);
}
.hero__sub {
  font-size: 14.5px;
  color: var(--bone-dim);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto;
}
.hero__strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* Launchbar bottom action */
.launchbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  flex-wrap: wrap;
}
.launchbar__cap {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.launchbar__note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--crimson);
  margin-top: 6px;
}
.gatelist {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- 04 · WAITING ROOM LOUNGE (WAYGROUND / QUIZZLY STYLE) ------------------ */
.lounge {
  max-width: 820px;
  margin: 32px auto;
  width: 100%;
}
.lounge-card {
  background: radial-gradient(120% 80% at 50% 0%, var(--bone-hi) 0%, var(--bone) 70%, var(--bone-dim) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: var(--shadow-paper);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.lounge-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--crimson);
}

.lounge__countdown {
  margin: 28px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lounge__timer-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.lounge__timer-clock {
  font-family: var(--font-mono);
  font-size: clamp(48px, 8vw, 68px);
  font-weight: 700;
  color: var(--crimson);
  letter-spacing: -0.02em;
  line-height: 1;
}

.lounge__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 28px 0 20px;
  text-align: left;
}
.lounge__cell {
  background: var(--surface-input);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius-xs);
  padding: 14px;
}
.lounge__cell-k {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 4px;
  display: block;
}
.lounge__cell-v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  display: block;
}

.lounge__pulse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--surface-3);
  border: 1px solid var(--border-sub);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-2);
}

/* --- 05 · LIVE ASSESSMENT WORKSPACE --------------------------------------- */
.workspace {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 20px 48px;
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

@media (max-width: 1000px) {
  .workspace {
    grid-template-columns: 1fr;
    padding: 12px;
  }
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: calc(var(--hud-h) + 16px);
  max-height: calc(100vh - var(--hud-h) - 32px);
  overflow-y: auto;
  padding-right: 4px;
}

@media (max-width: 1000px) {
  .rail {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
}

/* Question Matrix in Rail */
.matrix-tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--border-sub);
  background: var(--surface-3);
}
.matrix-tabs button,
.matrix-tab {
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-3);
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--t-fast);
}
.matrix-tab:hover,
.matrix-tabs button:hover {
  color: var(--ink);
  background: rgba(22, 19, 16, .05);
}
.matrix-tab.is-active,
.matrix-tabs button.is-on {
  color: var(--ink);
  border-bottom-color: var(--crimson);
  background: var(--surface);
  font-weight: 700;
}

.matrix {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  padding: 14px;
  background: var(--surface);
}

.matrix-cell {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--surface-input);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-2);
  transition: all var(--t-fast);
  cursor: pointer;
}
.matrix-cell:hover {
  border-color: var(--ink);
  transform: scale(1.04);
}
.matrix-cell.is-current {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bone-hi);
  font-weight: 700;
}
.matrix-cell.is-answered {
  background: var(--surface-3);
  border-color: var(--success);
  color: var(--success);
}
.matrix-cell.is-answered.is-current {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.matrix-cell.is-flagged {
  border-color: var(--warning);
  color: var(--warning);
  position: relative;
}
.matrix-cell.is-flagged::after {
  content: '⚑';
  position: absolute;
  top: 1px;
  right: 2px;
  font-size: 8px;
  line-height: 1;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface-3);
  border-top: 1px solid var(--border-sub);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.legend i {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
  background: var(--surface-input);
  border: 1px solid var(--border);
}
.legend i.is-answered { background: var(--surface-3); border-color: var(--success); }
.legend i.is-flagged  { background: var(--surface-3); border-color: var(--warning); }
.legend i.is-current  { background: var(--ink); border-color: var(--ink); }

/* --- 06 · QUESTION CARD (CENTRE STAGE) ------------------------------------- */
.qcard {
  background: radial-gradient(120% 70% at 50% 0%, var(--bone-hi) 0%, var(--bone) 65%, var(--bone-dim) 100%);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius);
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 520px;
}

.qcard__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--surface-3);
  border-bottom: 1px solid var(--border-sub);
  gap: 12px;
  flex-wrap: wrap;
}

.qcard__meta-left, .qcard__meta-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.qnum {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
  color: var(--crimson);
  letter-spacing: .02em;
}
.qnum sup {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-3);
  margin-left: 2px;
  top: -.6em;
}

.qcard__body {
  padding: 34px 32px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.qtext {
  font-family: var(--font-body);
  font-size: 17.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
}

.callout {
  padding: 12px 16px;
  background: var(--surface-3);
  border-left: 3px solid var(--crimson);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.qcard__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--surface-3);
  border-top: 1px solid var(--border-sub);
  gap: 14px;
  flex-wrap: wrap;
}

.qcard__shortcuts {
  padding: 8px 24px 10px;
  background: var(--surface-2);
  border-top: 1px solid var(--border-sub);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- 07 · POST-EXAM DOSSIER ----------------------------------------------- */
.dossier-head {
  padding: 30px;
}
.dossier-head__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-sub);
}
.dossier-head__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 50px);
  font-weight: 400;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: 6px;
}
.dossier-head__id {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 10px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.dossier-head__id dt {
  color: var(--ink-3);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: .08em;
}
.dossier-head__id dd {
  color: var(--ink);
  font-weight: 600;
}

.verdict {
  margin: 22px 0 18px;
  padding: 12px 18px;
  background: var(--surface-3);
  border-left: 4px solid var(--success);
  font-family: var(--font-label);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
}
.verdict.is-bad {
  border-left-color: var(--crimson);
  color: var(--crimson);
  background: var(--crimson-dim);
}

.scoregrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 800px) {
  .scoregrid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.scoregrid__cell {
  padding: 16px 18px;
  background: var(--surface-input);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.scoregrid__cell .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.scoregrid__cell .v {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}
.scoregrid__cell .v small {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-3);
  margin-left: 2px;
}