/* ══════════════════════════════════════════════════
   WRMP Round 4 — Mobile-first vertical exhibit player.
   Media-forward vertical cards, scroll-snap swipe, and
   opt-in interaction. Paired with shared/js/exhibit-r4.js.
   Load AFTER the shared stage CSS (exhibit-frame etc.) so
   the few global rules (body) resolve mobile-first here.
   See exhibits/round-4-2026-07/MOBILE-PATTERN.md.
   ══════════════════════════════════════════════════ */

:root {
  --player-max: 460px;
  --card-pad: clamp(20px, 5.5vw, 32px);
  --kicker-ink: #9fe4ec;
  --ease-sheet: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ink: #060a0c;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

html,
body {
  height: 100%;
}

/* Mobile-first: the vertical player owns the viewport. Overrides the
   shared exhibit-frame.css body (which is written for the stage). */
body {
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  background: #0b1013;
  color: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
  display: block;
  min-height: auto;
}
/* Desktop: restore the shared stage's centered light frame. */
body.is-desktop {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-md);
  background: #f4f4f4;
  color: var(--wrmp-text);
  overflow: auto;
}
#root-desktop {
  width: 100%;
  max-width: 1200px;
}

.lc {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  vertical-align: -0.125em;
}

/* ── Player shell ────────────────────────────────── */
.player {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: #000;
}

/* ── Scroll-snap deck ──────────────────────────── */
.deck {
  height: 100%;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  scrollbar-width: none;
}
.deck::-webkit-scrollbar {
  display: none;
}
.deck.locked {
  overflow: hidden;
}

/* ── Card ──────────────────────────────────────── */
.card {
  position: relative;
  height: 100%;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.card-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #0e1416;
}
.card-media video,
.card-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-photo {
  background-size: cover;
  background-position: center;
}
.card-map {
  position: absolute;
  inset: 0;
  background: #dfe6ea;
}
/* Gradient media — a simple tinted field behind the caption. */
.card-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #12313a 0%, #0e2129 100%);
}

/* ── Figure card (custom content: charts, scorecards) ──
   Chart-forward steps can't hide behind a scrim — the figure
   sits on a solid panel up top, the caption reads below it. */
.card--figure {
  background: #0e1416;
  justify-content: flex-start;
}
.card--figure .card-figure {
  flex: 0 0 46%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(env(safe-area-inset-top, 0px) + 16px) 16px 8px;
  overflow: hidden;
}
.card--figure .card-figure canvas {
  max-width: 100%;
}
.card--figure .card-caption {
  flex: 1 1 auto;
  max-height: none;
}
/* On a figure card the scrim is unnecessary (bg is already dark). */
.card--figure .card-scrim {
  display: none;
}

/* Bottom scrim carries the caption over any media. */
.card-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(6, 10, 12, 0.93) 0%,
    rgba(6, 10, 12, 0.8) 24%,
    rgba(6, 10, 12, 0.34) 50%,
    rgba(6, 10, 12, 0.04) 72%,
    rgba(6, 10, 12, 0) 100%
  );
}
/* Maps are light — add a top vignette so tiles don't glare. */
.card[data-media="map"] .card-scrim {
  background: linear-gradient(
    to top,
    rgba(6, 10, 12, 0.95) 0%,
    rgba(6, 10, 12, 0.82) 28%,
    rgba(6, 10, 12, 0.32) 54%,
    rgba(6, 10, 12, 0.08) 76%,
    rgba(6, 10, 12, 0.26) 100%
  );
}

.card-credit {
  position: absolute;
  z-index: 2;
  right: 10px;
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  font-size: 11px;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.3);
  padding: 3px 8px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  max-width: 55%;
  text-align: right;
}

/* ── Caption (the story, over the media) ───────── */
.card-caption {
  position: relative;
  z-index: 2;
  padding: var(--card-pad);
  padding-bottom: calc(
    var(--card-pad) + env(safe-area-inset-bottom, 0px) + 4px
  );
  max-height: 70%;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.card-caption::-webkit-scrollbar {
  display: none;
}

.card-kicker {
  font-size: var(--step-0);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kicker-ink);
  margin-bottom: 8px;
}
.card-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 6.8vw, 2.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 14px;
  text-wrap: balance;
}
.card-body p {
  font-size: clamp(16px, 4.3vw, 18px);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}
.card-body p:last-child {
  margin-bottom: 0;
}
.card-body em {
  font-style: italic;
  color: #fff;
}
.card-body strong {
  color: #fff;
  font-weight: 600;
}

/* Stat row — hairline-divided, glanceable. */
.card-stats {
  display: flex;
  margin: 20px 0 2px;
}
.card-stat {
  flex: 1;
  padding: 0 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}
.card-stat:first-child {
  padding-left: 0;
  border-left: none;
}
.card-stat .num {
  font-size: clamp(1.3rem, 5.6vw, 1.7rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
}
.card-stat .lbl {
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 5px;
}

.card-callout {
  margin: 18px 0 2px;
  padding: 13px 15px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  font-size: clamp(16px, 4.3vw, 18px);
  font-weight: 500;
  line-height: 1.38;
  color: #fff;
}

/* Static region key on filterable map cards. */
.card-key {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}
.card-key .k {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--step--1);
  color: rgba(255, 255, 255, 0.82);
}
.card-key .k i {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  display: inline-block;
  box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.5);
}

/* Explore-the-map pill — the opt-in to interaction. */
.map-explore {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  padding: 11px 18px;
  min-height: 46px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #12313a;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.32);
}
.map-explore .lc {
  font-size: 1.15em;
}
.map-explore:active {
  transform: translateY(1px);
}

/* ── Cover card ────────────────────────────────── */
.card--cover .card-caption {
  max-height: 82%;
}
.cover-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.cover-tag {
  font-size: var(--step--1);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--gray-4);
  color: var(--gray-12);
  text-decoration: none;
}
/* Guiding-question tag colors, keyed by data-gq (1–5). */
.cover-tag[data-gq="1"] { background: var(--gq1-sat); color: var(--gq1-ink); }
.cover-tag[data-gq="2"] { background: var(--gq2-sat); color: var(--gq2-ink); }
.cover-tag[data-gq="3"] { background: var(--gq3-sat); color: var(--gq3-ink); }
.cover-tag[data-gq="4"] { background: var(--gq4-sat); color: var(--gq4-ink); }
.cover-tag[data-gq="5"] { background: var(--gq5-sat); color: var(--gq5-ink); }
.cover-topic {
  font-size: var(--step--1);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  text-decoration: none;
}
.cover-kicker {
  font-size: var(--step-0);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--kicker-ink);
  margin-bottom: 10px;
}
.cover-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 9vw, 3.1rem);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 16px;
  text-wrap: balance;
}
.cover-lede {
  font-size: clamp(16px, 4.6vw, 19px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 8px;
}
.cover-updated {
  font-size: var(--step--1);
  color: rgba(255, 255, 255, 0.6);
  margin-top: 14px;
}
.swipe-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.swipe-cue .lc {
  font-size: 1.5em;
  animation: nudge 1.8s ease-in-out infinite;
}
@keyframes nudge {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(6px);
    opacity: 1;
  }
}

/* ── End card ──────────────────────────────────── */
.card--end .card-media {
  background: #0e1416;
}
.card--end .card-photo {
  filter: brightness(0.4) saturate(1.05);
}
.card--end .card-scrim {
  background: linear-gradient(
    to top,
    rgba(6, 10, 12, 0.9) 0%,
    rgba(6, 10, 12, 0.7) 60%,
    rgba(6, 10, 12, 0.55) 100%
  );
}
.card--end .card-caption {
  max-height: 100%;
  justify-content: flex-start;
  padding-top: calc(env(safe-area-inset-top, 0px) + 68px);
}
.end-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}
.end-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 13px 20px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}
.end-btn--primary {
  background: #fff;
  color: #12313a;
  border: none;
}
.end-btn--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.24);
}

/* ── Progress rail ─────────────────────────────── */
.rail {
  position: absolute;
  z-index: 6;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  padding: 8px 4px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.rail-tick {
  all: unset;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 15px;
  cursor: pointer;
}
.rail-tick::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  transition:
    height 0.3s ease,
    background 0.3s ease;
}
.rail-tick.active::before {
  height: 20px;
  background: #fff;
}

/* ── Data & tools trigger (top-left) ───────────── */
.sheet-trigger {
  position: absolute;
  z-index: 6;
  left: 12px;
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  cursor: pointer;
}
.sheet-trigger .lc {
  font-size: 1.35em;
}

/* ── Bottom sheet ──────────────────────────────── */
.sheet-scrim {
  position: absolute;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.sheet-scrim.open {
  opacity: 1;
  pointer-events: auto;
}
.sheet {
  position: absolute;
  z-index: 41;
  left: 0;
  right: 0;
  bottom: 0;
  transform: translateY(100%);
  visibility: hidden;
  max-height: 86%;
  background: #14191b;
  color: #fff;
  border-radius: 20px 20px 0 0;
  transition:
    transform 0.34s var(--ease-sheet),
    visibility 0s linear 0.34s;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 -12px 44px rgba(0, 0, 0, 0.55);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.sheet.open {
  transform: translateY(0);
  visibility: visible;
  transition: transform 0.34s var(--ease-sheet);
}
.sheet-grip {
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  margin: 11px auto 2px;
  flex-shrink: 0;
}
.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 18px 12px;
  flex-shrink: 0;
}
.sheet-title {
  font-size: var(--step-1);
  font-weight: 600;
}
.sheet-close {
  all: unset;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
}
.sheet-body {
  overflow-y: auto;
  padding: 0 16px 20px;
  -webkit-overflow-scrolling: touch;
}

/* Resource list — rendered in the sheet AND the end card from one source.
   Category accents — Data (teal), Tools (green), Context (amber);
   matches the desktop level3 category language. */
[data-cat="data"] {
  --cat-accent: #6fd3e3;
  --cat-soft: rgba(111, 211, 227, 0.16);
}
[data-cat="tools"] {
  --cat-accent: #7fce8c;
  --cat-soft: rgba(127, 206, 140, 0.16);
}
[data-cat="science"] {
  --cat-accent: #f0b454;
  --cat-soft: rgba(240, 180, 84, 0.16);
}

.res-group + .res-group {
  margin-top: 18px;
}
.res-grouphead {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}
.res-cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--cat-soft, rgba(255, 255, 255, 0.1));
  color: var(--cat-accent, #fff);
  flex-shrink: 0;
}
.res-grouphead .gh-name {
  font-size: var(--step-0);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cat-accent, rgba(255, 255, 255, 0.72));
}
.res-grouphead .gh-count {
  font-size: var(--step--1);
  color: rgba(255, 255, 255, 0.45);
}
.res-row {
  display: flex;
  gap: 12px;
  padding: 13px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  color: #fff;
  align-items: flex-start;
}
.res-row + .res-row {
  margin-top: 8px;
}
.res-row:active {
  background: rgba(255, 255, 255, 0.09);
}
.res-row .lc.rw-lead {
  font-size: 1.3em;
  color: var(--cat-accent, rgba(255, 255, 255, 0.8));
  flex-shrink: 0;
  margin-top: 1px;
}
.rw-body {
  min-width: 0;
  flex: 1;
}
.rw-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.rw-name {
  font-size: clamp(16px, 4.2vw, 17px);
  font-weight: 600;
}
.rw-chip {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.85);
}
.rw-go {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.55);
}
.rw-desc {
  font-size: var(--step-0);
  line-height: 1.42;
  color: rgba(255, 255, 255, 0.66);
  margin-top: 4px;
}

/* ── Fullscreen map modal ──────────────────────── */
.mapmodal {
  position: absolute;
  inset: 0;
  z-index: 50;
  background: #0e1416;
  transform: translateY(100%);
  transition: transform 0.34s var(--ease-sheet);
  visibility: hidden;
}
.mapmodal.open {
  transform: translateY(0);
  visibility: visible;
}
.mapmodal-map {
  position: absolute;
  inset: 0;
  z-index: 0; /* own stacking context so Leaflet panes stay below the chrome */
}
.mapmodal-bar {
  position: absolute;
  z-index: 2;
  top: calc(env(safe-area-inset-top, 0px) + 10px);
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  pointer-events: none;
}
.mapmodal-title {
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 9px 15px;
  border-radius: 999px;
  font-size: var(--step-0);
  font-weight: 600;
  color: #fff;
}
.mapmodal-close {
  pointer-events: auto;
  all: unset;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.52);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.mapmodal-close .lc {
  font-size: 1.3em;
}
.mapmodal-legend {
  position: absolute;
  z-index: 2;
  left: 12px;
  right: 12px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.mm-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 15px;
  min-height: 42px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.93);
  color: #12313a;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.32);
  transition: opacity 0.15s ease;
}
.mm-chip.dimmed {
  opacity: 0.45;
}
.mm-chip .dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.7);
}

/* Leaflet marker popups inside the modal sit on a dark base. */
.mapmodal .leaflet-popup-content-wrapper {
  border-radius: 12px;
}

/* ── Desktop figure stage (custom steps) ───────────
   Right of the story panel — where the live map would sit on
   a map step, a chart/scorecard sits on a custom step. */
#d-figure {
  position: absolute;
  left: 44%;
  right: 3%;
  top: 5%;
  bottom: 5%;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: center;
}
#d-figure.active {
  display: flex;
}
#d-figure canvas {
  max-width: 100%;
  max-height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .deck {
    scroll-behavior: auto;
  }
  .swipe-cue .lc {
    animation: none;
  }
  .sheet,
  .mapmodal {
    transition: none;
  }
}