/* ZizGo - Dunes direction
   chrome: dark warm  ·  map: light sand  ·  accent: ochre #d4923f
   type: Space Grotesk  ·  ink: cream #f3e9d8 */

:root {
  --accent:      #d4923f;
  --accent-soft: rgba(212,146,63,.18);
  --green:       #3f8a63;
  --ink-rgb:     243,233,216;            /* warm cream text */
  --glass-rgb:   23,18,11;               /* warm-dark frosted panel base */
  --ink:         rgb(var(--ink-rgb));
  --ink-50:      rgba(var(--ink-rgb),.5);
  --ink-12:      rgba(var(--ink-rgb),.12);
  --ink-08:      rgba(var(--ink-rgb),.08);
  --bg:          #141009;
  --bg-2:        #17120b;
  --chrome:      rgba(var(--glass-rgb),.85);
  --chrome-line: rgba(var(--ink-rgb),.12);
  --cream:       #fbf3e6;
  --font:        'Space Grotesk', system-ui, sans-serif;
  --nav-h:       60px;
  --safe-b:      env(safe-area-inset-bottom, 0px);
}

/* light interface: flip the warm-dark chrome to a warm-light palette.
   the same .dark-map class that drives the basemap drives the chrome, so the
   theme toggle switches both. scoped off .dark-map so the splash (which has its
   own dark literals) is untouched.
   NB: --ink/--chrome must be re-derived here, not just the triplets. var() inside
   a custom property resolves where the property is DECLARED, so the :root copies
   are frozen with the dark triplets; overriding only --ink-rgb wouldn't flip them. */
body:not(.dark-map) {
  --ink-rgb:     54,40,23;               /* warm-dark text on sand */
  --glass-rgb:   252,247,238;            /* frosted near-white panels */
  --ink:         rgb(var(--ink-rgb));
  --ink-50:      rgba(var(--ink-rgb),.5);
  --ink-12:      rgba(var(--ink-rgb),.12);
  --ink-08:      rgba(var(--ink-rgb),.08);
  --bg:          #e6dac2;
  --bg-2:        #f1e7d4;
  --chrome:      rgba(var(--glass-rgb),.85);
  --chrome-line: rgba(var(--ink-rgb),.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }

@keyframes zg-rise   { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes zg-pop    { from { opacity: 0; transform: scale(.4); } to { opacity: 1; transform: none; } }
@keyframes zg-glow-in { from { stroke-opacity: 0; } }
@keyframes zg-ping   { 75%, 100% { transform: scale(2.6); opacity: 0; } }
@keyframes zg-kenburns { from { transform: scale(1.12) translateY(2%); } to { transform: scale(1) translateY(0); } }
@keyframes zg-shimmer  { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ── wordmark / logo ──────────────────────────────── */
.wordmark { font-weight: 600; font-size: 34px; letter-spacing: -.02em; line-height: 1; display: inline-flex; flex-direction: column; }
.wordmark.sm { font-size: 18px; }
.wm-accent { color: var(--accent); display: inline; }
.wordmark .wm-accent { display: inline; }
.wordmark { display: inline-block; }
.wm-tif {
  display: block; font-family: 'Noto Sans Tifinagh', sans-serif;
  font-size: .42em; font-weight: 400; letter-spacing: .18em;
  opacity: .5; margin-top: .16em;
}

/* author display rules (flex, grid...) override the UA's [hidden]; re-assert it */
[hidden] { display: none !important; }

/* ── splash ───────────────────────────────────────── */
#splash {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; flex-direction: column; justify-content: flex-end;
  background: #120d07; overflow: hidden;
  transition: opacity .5s ease, visibility .5s;
  /* the splash always shows over the dark hero photo; pin the dark palette so a
     returning light-theme user still gets cream text here (the body is light).
     --ink re-derived too (see note on the light override). */
  --ink-rgb: 243,233,216;
  --glass-rgb: 23,18,11;
  --ink: rgb(var(--ink-rgb));
  color: var(--ink);
}
#splash.gone { opacity: 0; visibility: hidden; }
.splash-bg {
  position: absolute; inset: 0;
  background: url(../assets/splash.webp) center/cover no-repeat;
  opacity: .92; animation: zg-kenburns 14s ease-out forwards;
}
.splash-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,13,7,.18) 0%, rgba(18,13,7,.06) 28%, rgba(18,13,7,.62) 64%, rgba(18,13,7,.96) 100%);
}
.splash-content { position: relative; padding: 0 28px calc(46px + var(--safe-b)); }
.splash-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 18px; }
.splash-brand .logo { filter: drop-shadow(0 4px 12px rgba(0,0,0,.45)); }
#splash h1 {
  font-weight: 500; font-size: 23px; line-height: 1.25; letter-spacing: -.01em;
  max-width: 300px; margin-bottom: 8px; text-shadow: 0 2px 18px rgba(0,0,0,.5);
}
#splash p { font-size: 14px; opacity: .72; max-width: 290px; }
.splash-action { margin-top: 30px; min-height: 52px; }
#splash-loading { display: flex; align-items: center; gap: 12px; opacity: .8; font: 500 13px/1 var(--font); }
.shimmer {
  width: 132px; height: 8px; border-radius: 6px;
  background: linear-gradient(90deg, rgba(243,233,216,.12), var(--accent), rgba(243,233,216,.12));
  background-size: 200% 100%;
  animation: zg-shimmer 1.3s linear infinite;
}
.loading-label { text-transform: uppercase; letter-spacing: .06em; opacity: .6; }
#enter-btn {
  width: 100%; background: var(--accent); color: #fff7ec;
  padding: 16px 20px; border-radius: 15px; font: 600 16px/1 var(--font);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 10px 30px -8px rgba(212,146,63,.67);
  animation: zg-rise .5s cubic-bezier(.2,.8,.2,1);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
#enter-btn:hover { transform: translateY(-1px); box-shadow: 0 14px 34px -8px rgba(212,146,63,.75); filter: brightness(1.05); }
#enter-btn:active { transform: scale(.98); }
#enter-btn:focus-visible, #bottom-nav button:focus-visible, .chip:focus-visible, .line-card:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* ── app frame ────────────────────────────────────── */
#app { display: flex; flex-direction: column; height: 100dvh; }
#screens { flex: 1; position: relative; min-height: 0; }
.screen { position: absolute; inset: 0; animation: zg-rise .42s cubic-bezier(.2,.8,.2,1); }
.screen[hidden] { display: none; }
#screen-lines, #screen-info { overflow-y: auto; background: var(--bg-2); scrollbar-width: none; }
#screen-lines::-webkit-scrollbar, #screen-info::-webkit-scrollbar { width: 0; }

/* ── bottom nav ───────────────────────────────────── */
#bottom-nav {
  display: flex; flex-shrink: 0;
  background: rgba(var(--glass-rgb),.96);
  border-top: 1px solid var(--chrome-line);
  padding: 9px 8px calc(11px + var(--safe-b));
}
#bottom-nav button {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 5px 0; color: var(--ink-50); font: 500 10.5px/1 var(--font);
  transition: color .2s ease, transform .15s ease;
}
#bottom-nav button:active { transform: scale(.92); }
#bottom-nav button.on { color: var(--accent); font-weight: 600; }

#ad-banner { flex-shrink: 0; min-height: 50px; background: var(--bg-2); }
#ad-banner[hidden] { display: none; }

/* ── map + warm tile treatment ────────────────────── */
#map { position: absolute; inset: 0; background: #e7d9bf; z-index: 0; }
/* warm tint per tile, not on the pane: a pane-level filter re-rasterizes the whole
   viewport on every pan frame and tile fade; per-tile output gets GPU-cached.
   light map: the base copy and a second multiply copy (.leaflet-boost-pane) are
   both contrast-boosted, so the squaring deepens the sand background and blocks
   while the near-white roads stay bright, pulling them apart. dark map keeps the
   raw 'dark matter' tiles (filter cleared below). */
body:not(.dark-map) .leaflet-tile-pane .leaflet-tile {
  filter: sepia(.30) saturate(1.05) brightness(.95) contrast(1.2) hue-rotate(-7deg);
}
body:not(.dark-map) .leaflet-boost-pane .leaflet-tile {
  filter: sepia(.14) saturate(1.18) brightness(.86) contrast(1.42) hue-rotate(-7deg);
}
.leaflet-boost-pane { mix-blend-mode: multiply; opacity: 1; }

/* soft halo for highlighted routes; content changes only on selection */
.leaflet-glow-pane { filter: blur(15px); pointer-events: none; }
.leaflet-glow-pane path { animation: zg-glow-in .5s ease; }

/* selection dims/brightens routes: ease the stroke instead of snapping */
.leaflet-overlay-pane path { transition: stroke-opacity .35s ease, stroke .35s ease; }

/* themed station tooltips */
.leaflet-tooltip {
  background: rgba(var(--glass-rgb),.92); color: var(--ink);
  border: 1px solid var(--chrome-line); border-radius: 8px;
  font: 500 12px/1.3 var(--font); padding: 5px 9px;
  box-shadow: 0 6px 18px -6px rgba(0,0,0,.55);
}
.leaflet-tooltip-top::before { border-top-color: rgba(var(--glass-rgb),.92); }
.leaflet-control-attribution {
  background: rgba(231,217,191,.8) !important; color: #9a8a6c !important;
  font: 10px/1.4 var(--font) !important;
}
.leaflet-control-attribution a { color: #7c6c4e !important; }

.map-topbar {
  position: absolute; top: 0; left: 0; right: 0; z-index: 500;
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 14px 16px 30px; pointer-events: none;
  background: linear-gradient(180deg, rgba(var(--glass-rgb),.6), rgba(var(--glass-rgb),0));
}
.topbar-brand { display: flex; align-items: center; gap: 9px; pointer-events: auto; }
.live-pill {
  display: flex; align-items: center; gap: 8px; pointer-events: auto; white-space: nowrap;
  background: var(--chrome); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 7px 12px 7px 11px; border-radius: 999px; border: 1px solid var(--chrome-line);
  font: 600 11px/1 var(--font); letter-spacing: .08em;
}
.ping { position: relative; width: 8px; height: 8px; }
.ping-core, .ping-wave { position: absolute; inset: 0; border-radius: 999px; background: #5bbd7e; }
.ping-wave { animation: zg-ping 1.6s cubic-bezier(0,0,.2,1) infinite; }
.live-pill.stale .ping-core, .live-pill.stale .ping-wave { background: #9a8a6c; }
.live-pill.stale .ping-wave { animation: none; }
.live-count { color: var(--accent); letter-spacing: 0; }

.zoom-ctl {
  position: absolute; left: 14px; top: 42%; z-index: 500;
  display: flex; flex-direction: column; border-radius: 13px; overflow: hidden;
  background: var(--chrome); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--chrome-line);
}
.zoom-ctl button {
  width: 40px; height: 40px; display: grid; place-items: center; color: var(--ink);
  transition: background .2s ease;
}
.zoom-ctl button:hover { background: rgba(var(--ink-rgb),.08); }
.zoom-ctl button:active { background: rgba(var(--ink-rgb),.14); }
.zoom-ctl button + button { border-top: 1px solid rgba(var(--ink-rgb),.1); }
#locate-btn, #theme-btn { transition: border-color .2s ease, transform .15s ease; }
#locate-btn:hover, #theme-btn:hover { border-color: rgba(var(--ink-rgb),.3); }
#locate-btn:active, #theme-btn:active { transform: scale(.94); }

#locate-btn {
  position: absolute; right: 14px; bottom: 170px; z-index: 500;
  width: 44px; height: 44px; border-radius: 13px;
  border: 1px solid var(--chrome-line); color: var(--accent);
  background: var(--chrome); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: center;
}

/* ── dark basemap toggle ──────────────────────────── */
#theme-btn {
  position: absolute; right: 14px; bottom: 224px; z-index: 500;
  width: 44px; height: 44px; border-radius: 13px;
  border: 1px solid var(--chrome-line); color: var(--ink);
  background: var(--chrome); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: center;
}
#theme-btn .ic-sun { display: none; }
body.dark-map #theme-btn .ic-sun { display: block; }
body.dark-map #theme-btn .ic-moon { display: none; }

body.dark-map #map { background: #11161c; }
body.dark-map .leaflet-tile-pane .leaflet-tile { filter: none; }
body.dark-map .leaflet-control-attribution {
  background: rgba(17,22,28,.8) !important; color: #6f7a85 !important;
}
body.dark-map .leaflet-control-attribution a { color: #93a0ad !important; }

/* ── stops & buses ────────────────────────────────── */
.stop-pin {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--cream); border: 2px solid var(--lc, #9a8a6c);
  box-shadow: 0 1px 4px rgba(60,42,20,.35);
  transition: transform .15s ease;
}
.stop-pin:hover { transform: scale(1.35); }
.stop-pin.terminus {
  width: 14px; height: 14px; border-width: 2.5px;
  background: var(--lc, var(--accent)); border-color: var(--cream);
}
.bus-wrap {
  position: relative; width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  animation: zg-pop .45s cubic-bezier(.2,.8,.2,1); /* new buses pop in, not appear */
}
.bus-core { transition: transform .15s ease; }
.bus-wrap:hover .bus-core { transform: scale(1.12); }
.bus-ring { position: absolute; width: 22px; height: 22px; border-radius: 50%; animation: bus-ripple 2s ease-out infinite; }
.bus-ring:nth-child(2) { animation-delay: .7s; }
.bus-core {
  width: 22px; height: 22px; border-radius: 50%; position: relative; z-index: 2;
  display: grid; place-items: center;
}
.bus-core::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cream); }
@keyframes bus-ripple { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(4.2); opacity: 0; } }

.me-pin {
  width: 16px; height: 16px; border-radius: 50%;
  background: #4a90c2; border: 3px solid var(--cream);
  box-shadow: 0 0 0 4px rgba(74,144,194,.25), 0 2px 8px rgba(0,0,0,.3);
}

/* ── bus callout ──────────────────────────────────── */
#bus-callout {
  position: absolute; left: 14px; right: 14px; bottom: 158px; z-index: 600;
  background: rgba(var(--glass-rgb),.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--chrome-line); border-radius: 18px; padding: 14px 16px;
  box-shadow: 0 18px 44px -14px rgba(0,0,0,.7);
  animation: zg-rise .32s cubic-bezier(.2,.8,.2,1);
}
#bus-callout[hidden] { display: none; }
/* callout and an expanded line list both anchor to the bottom; never show both */
#screen-map:has(#bottom-sheet.expanded) #bus-callout { display: none; }
.co-head { display: flex; align-items: center; gap: 11px; }
.co-badge {
  width: 34px; height: 34px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; font: 700 13px/1 var(--font); color: #fff7ec;
}
.co-title { flex: 1; min-width: 0; }
.co-title b { display: block; font: 600 15px/1.2 var(--font); }
.co-title small { display: block; font: 400 12.5px/1.2 var(--font); opacity: .6; margin-top: 2px; }
.co-close {
  background: var(--ink-08); border-radius: 9px; width: 30px; height: 30px;
  display: grid; place-items: center; flex-shrink: 0;
}
.co-stats { display: flex; gap: 13px; margin-top: 13px; align-items: center; }
.co-stat { min-width: 0; }
.co-stat b { display: block; font: 700 18px/1 var(--font); white-space: nowrap; }
.co-stat small { display: block; font: 400 11px/1 var(--font); opacity: .55; margin-top: 4px; }
.co-div { width: 1px; height: 30px; background: var(--ink-12); flex-shrink: 0; }

/* ── bottom sheet (line chips) ────────────────────── */
#bottom-sheet {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 550;
  background: rgba(var(--glass-rgb),.94); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid rgba(var(--ink-rgb),.1); border-radius: 22px 22px 0 0;
  box-shadow: 0 -16px 40px -18px rgba(0,0,0,.6);
  padding: 10px 16px 14px;
}
.sheet-handle {
  width: 38px; height: 4px; border-radius: 4px; background: rgba(var(--ink-rgb),.22);
  cursor: grab; touch-action: none;
  /* enlarge the grab target beyond the visible pill, keeping its visual position */
  box-sizing: content-box; padding: 8px 40px; background-clip: content-box;
  margin: -6px auto 4px;
}
.sheet-head {
  display: flex; align-items: center; justify-content: space-between; padding-bottom: 8px;
  cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none;
}
/* selected line's station list + live buses, revealed when the sheet is expanded.
   chips stay a horizontal selector at the top; the stop list is the main content.
   animated via max-height (not display) so dragging the sheet open grows smoothly.
   the station lists are taller than the cap, so max-height eases cleanly with no
   "snap" at the end; reduced-motion users get the global instant override. */
#sheet-stops {
  max-height: 0; opacity: 0; overflow: hidden;
  margin-top: 0; padding: 0 4px 0 18px;
  border-top: 1px solid transparent;
  transition: max-height .4s cubic-bezier(.2,.8,.2,1),
              opacity .3s ease,
              margin-top .4s cubic-bezier(.2,.8,.2,1),
              padding .4s cubic-bezier(.2,.8,.2,1),
              border-color .3s ease;
  scrollbar-width: none;
}
#bottom-sheet.expanded #sheet-stops {
  max-height: min(48dvh, 400px); opacity: 1;
  margin-top: 8px; padding: 8px 4px 4px 18px;
  border-top-color: var(--chrome-line);
  overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
}
#sheet-stops::-webkit-scrollbar { width: 0; }
#sheet-title { font: 600 14.5px/1 var(--font); }
#sheet-sub { font: 500 12px/1 var(--font); opacity: .55; }
.line-chips {
  display: flex; gap: 8px; overflow-x: auto; margin: 0 -16px; padding: 6px 16px 2px;
  scrollbar-width: none;
  cursor: grab; user-select: none; -webkit-user-select: none;
  max-height: 84px;
}
.line-chips.dragging { cursor: grabbing; }
.line-chips.dragging .chip { pointer-events: none; }
.line-chips::-webkit-scrollbar { height: 0; }
.chip {
  flex-shrink: 0; display: flex; align-items: center; gap: 8px;
  padding: 9px 13px 9px 10px; border-radius: 13px;
  background: rgba(var(--ink-rgb),.06); border: 1px solid rgba(var(--ink-rgb),.1);
  transition: background .2s, border-color .2s, transform .15s ease;
}
.chip:not(.sel):hover { background: rgba(var(--ink-rgb),.1); }
.chip:active { transform: scale(.97); }
.chip.sel { background: var(--cc); border-color: var(--cc); }
.chip-badge {
  width: 26px; height: 26px; border-radius: 8px; flex-shrink: 0; background: var(--cc);
  display: grid; place-items: center; font: 700 11px/1 var(--font); color: #fff7ec;
}
.chip.sel .chip-badge { background: rgba(255,247,236,.22); }
.chip-text { text-align: left; white-space: nowrap; }
.chip-text b { display: block; font: 600 12.5px/1 var(--font); color: var(--ink); }
.chip.sel .chip-text b { color: #fff7ec; }
.chip-text small { display: block; font: 500 10.5px/1 var(--font); margin-top: 3px; color: var(--ink-50); }
.chip.sel .chip-text small { color: rgba(255,247,236,.85); }

/* ── heroes (lines / info screens) ────────────────── */
.hero { position: relative; height: 168px; overflow: hidden; }
.hero-sm { height: 150px; }
.hero-img { position: absolute; inset: 0; background-size: cover; background-position: center 60%; opacity: .55; }
.hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,18,11,.35), rgba(23,18,11,.96)); }
.hero-text { position: absolute; left: 20px; right: 20px; bottom: 18px; color: #f3e9d8; }
.hero-brand { display: flex; align-items: center; gap: 12px; bottom: 16px; }
.hero-text h1 { font: 600 27px/1 var(--font); letter-spacing: -.01em; }
.hero-text p { font: 400 13px/1.4 var(--font); margin-top: 8px; opacity: .6; max-width: 280px; }
/* light theme: fade the hero photo into the cream body (not into black) and
   darken the brand/text so it stays legible over the lighter scrim */
body:not(.dark-map) .hero-scrim {
  background: linear-gradient(180deg, rgba(241,231,212,0) 0%, rgba(241,231,212,.3) 40%,
              rgba(241,231,212,.92) 70%, var(--bg-2) 100%);
}
body:not(.dark-map) .hero-text { color: var(--ink); }
.eyebrow {
  font: 500 11px/1 var(--font); letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 7px;
}

/* ── line cards ───────────────────────────────────── */
.line-cards { padding: 16px 16px 28px; display: flex; flex-direction: column; gap: 11px; }
.line-card {
  text-align: left; display: flex; align-items: stretch; gap: 14px;
  padding: 15px 16px 15px 14px; border-radius: 17px; position: relative; overflow: hidden;
  background: rgba(var(--ink-rgb),.04); border: 1px solid rgba(var(--ink-rgb),.09); color: var(--ink);
  transition: background .2s, border-color .2s, transform .15s ease;
}
.line-card:hover { background: rgba(var(--ink-rgb),.07); border-color: rgba(var(--ink-rgb),.16); }
.line-card:active { transform: scale(.985); }
.line-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--cc); }
.lc-badge {
  width: 44px; height: 44px; border-radius: 13px; flex-shrink: 0; background: var(--cc);
  display: grid; place-items: center; font: 700 15px/1 var(--font); color: #fff7ec;
  align-self: center;
}
.lc-body { flex: 1; min-width: 0; }
.lc-body b { display: block; font: 600 16px/1.2 var(--font); }
.lc-body .lc-meta { display: block; font: 400 12.5px/1 var(--font); opacity: .55; margin-top: 4px; }
.lc-live { display: inline-flex; align-items: center; gap: 6px; margin-top: 11px; font: 600 12px/1 var(--font); color: var(--cc); }
.lc-live .ping-core, .lc-live .ping-wave { background: var(--cc); }
.lc-arrow { align-self: center; opacity: .4; }
.lines-note {
  margin-top: 8px; padding: 16px 18px; border-radius: 17px;
  border: 1px dashed rgba(var(--ink-rgb),.16); background: rgba(var(--ink-rgb),.02);
}
.lines-note b { display: block; font: 600 13.5px/1.3 var(--font); margin-bottom: 5px; }
.lines-note span { font: 400 12.5px/1.5 var(--font); opacity: .55; }

/* ── info screen ──────────────────────────────────── */
.info-body { padding: 20px 20px 36px; }
.info-body .lead { font: 400 15px/1.55 var(--font); opacity: .82; margin-bottom: 22px; }
.info-body .muted { font: 400 14px/1.55 var(--font); opacity: .7; margin-bottom: 18px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-bottom: 22px; }
.stat {
  padding: 15px 16px; border-radius: 15px;
  background: rgba(var(--ink-rgb),.04); border: 1px solid rgba(var(--ink-rgb),.09);
}
.stat b { display: block; font: 600 26px/1 var(--font); color: var(--accent); }
.stat span { display: block; font: 400 12px/1 var(--font); opacity: .55; margin-top: 6px; }
.info-footer {
  display: flex; gap: 18px; align-items: center; padding: 16px 0 4px;
  border-top: 1px solid rgba(var(--ink-rgb),.1); font: 400 13px/1 var(--font); opacity: .5;
}
.tifinagh { font-family: 'Noto Sans Tifinagh', sans-serif; font-size: 15px; letter-spacing: .1em; }

/* data-story facts (computed from 3 weeks of GPS analysis) */
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 4px 0 24px; }
.fact {
  padding: 14px 15px; border-radius: 15px;
  background: rgba(var(--ink-rgb),.04); border: 1px solid rgba(var(--ink-rgb),.09);
}
.fact b { display: block; font: 700 22px/1 var(--font); color: var(--accent); letter-spacing: -.01em; }
.fact span { display: block; font: 600 12.5px/1.25 var(--font); margin-top: 7px; }
.fact small { display: block; font: 400 11px/1.35 var(--font); opacity: .5; margin-top: 4px; }
.fact-lg { grid-column: 1 / -1; background: var(--accent-soft); border-color: transparent; }
.fact-lg b { font-size: 33px; }

.line-facts { display: flex; flex-direction: column; gap: 9px; margin: 4px 0 24px; }
.lf {
  display: flex; align-items: center; gap: 13px; padding: 12px 14px; border-radius: 14px;
  background: rgba(var(--ink-rgb),.04); border: 1px solid rgba(var(--ink-rgb),.09);
}
.lf-badge {
  width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0;
  display: grid; place-items: center; font: 700 13px/1 var(--font); color: #fff7ec;
}
.lf-main { min-width: 0; }
.lf-main b { display: block; font: 600 14px/1.2 var(--font); }
.lf-main span { display: block; font: 400 12px/1 var(--font); opacity: .55; margin-top: 4px; }

/* close button on the info screen (desktop has no bottom-nav to go back with) */
#info-close {
  display: none; position: absolute; top: 16px; right: 16px; z-index: 10;
  width: 38px; height: 38px; border-radius: 11px; place-items: center; color: #f3e9d8;
  background: rgba(20,15,9,.5); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(243,233,216,.18); transition: background .2s, transform .15s ease;
}
#info-close:hover { background: rgba(20,15,9,.7); }
#info-close:active { transform: scale(.92); }

@media (min-width: 720px) {
  #bus-callout, #bottom-sheet { max-width: 480px; left: 50%; transform: translateX(-50%); right: auto; width: calc(100% - 28px); }
  #bottom-sheet { border-radius: 22px 22px 0 0; }
}

/* ════ desktop / large screens ═════════════════════════════ */

/* splash extras (hidden on mobile) */
.splash-topbar {
  display: none; position: absolute; top: 0; left: 0; right: 0; z-index: 2;
  align-items: center; justify-content: space-between; padding: 26px 40px;
}
.wordmark.md { font-size: 22px; }
.splash-eyebrow {
  display: none; align-items: center; gap: 12px;
  font: 500 13px/1 var(--font); letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 22px;
}
.eb-rule { width: 26px; height: 1px; background: var(--accent); opacity: .6; }
.eb-tif { font-family: 'Noto Sans Tifinagh', sans-serif; letter-spacing: .1em; opacity: .8; }
#splash-lines { display: none; gap: 10px; margin-top: 46px; flex-wrap: wrap; }
.sl-chip {
  display: flex; align-items: center; gap: 9px; padding: 9px 14px 9px 9px; border-radius: 12px;
  background: rgba(26,20,12,.5); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(243,233,216,.1);
}
.sl-badge {
  width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  font: 700 11px/1 var(--font); color: #fff7ec;
}
.sl-name { font: 600 12.5px/1 var(--font); }

/* left rail (hidden on mobile) */
#rail {
  display: none; width: 404px; flex-shrink: 0; flex-direction: column; min-height: 0;
  background: rgba(var(--glass-rgb),.96); border-right: 1px solid rgba(var(--ink-rgb),.09); z-index: 5;
}
.rail-head { padding: 20px 20px 16px; border-bottom: 1px solid rgba(var(--ink-rgb),.07); }
.rail-head-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.rail-search { position: relative; }
.rail-search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); opacity: .4; pointer-events: none; }
.rail-search input {
  width: 100%; padding: 12px 14px 12px 40px; border-radius: 12px;
  background: rgba(var(--ink-rgb),.06); border: 1px solid rgba(var(--ink-rgb),.1);
  color: var(--ink); font: 400 14px/1 var(--font); outline: none;
  -webkit-appearance: none; appearance: none;
}
.rail-search input::placeholder { color: var(--ink-50); }
.rail-search input:focus { border-color: var(--accent); }
.rail-body { flex: 1; overflow-y: auto; padding: 14px 14px 24px; scrollbar-width: thin; scrollbar-color: var(--ink-12) transparent; }
.rail-lines-head { display: flex; align-items: center; justify-content: space-between; padding: 0 4px 11px; }
.rail-lines-head span:first-child { font: 600 12px/1 var(--font); letter-spacing: .12em; text-transform: uppercase; opacity: .5; }
#rail-total { font: 500 12px/1 var(--font); opacity: .4; }
#rail-lines { display: flex; flex-direction: column; gap: 9px; }
.rail-row {
  border-radius: 15px; overflow: hidden;
  background: rgba(var(--ink-rgb),.035); border: 1px solid rgba(var(--ink-rgb),.08);
  transition: background .2s, border-color .2s;
}
.rail-row:not(.sel):hover { background: rgba(var(--ink-rgb),.06); border-color: rgba(var(--ink-rgb),.16); }
.rail-row-btn:active .rr-badge { transform: scale(.94); }
.rr-badge { transition: transform .15s ease; }
.rail-row.sel { background: rgba(var(--ink-rgb),.07); border-color: var(--cc); }
.rail-row-btn { width: 100%; text-align: left; display: flex; align-items: center; gap: 13px; padding: 13px 14px; }
.rr-badge {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0; background: var(--cc);
  display: grid; place-items: center; font: 700 14px/1 var(--font); color: #fff7ec;
  box-shadow: 0 5px 14px -6px var(--cc);
}
.rr-main { flex: 1; min-width: 0; }
.rr-name { display: block; font: 600 14.5px/1.2 var(--font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rr-meta { display: flex; align-items: center; gap: 12px; margin-top: 6px; }
.rr-live { display: inline-flex; align-items: center; gap: 6px; font: 600 11.5px/1 var(--font); color: var(--cc); white-space: nowrap; }
.rr-live .ping-core, .rr-live .ping-wave { background: var(--cc); }
.rr-meta small { font: 500 11.5px/1 var(--font); opacity: .5; white-space: nowrap; }
.rr-arrow { opacity: .4; flex-shrink: 0; transition: transform .2s; }
.rail-row.sel .rr-arrow { transform: rotate(90deg); }
/* re-renders every data refresh: only the .anim variant (newly unfolded) animates */
.rr-stops { padding: 2px 16px 16px 18px; }
.rr-stops-inner { position: relative; }
/* live bus, riding the stop list's line (centered on the 4.5px line axis) */
.rr-bus {
  position: absolute; left: -2px; width: 13px; height: 13px;
  transform: translateY(-50%); border-radius: 50%;
  background: var(--cc); border: 2.5px solid var(--cream);
  box-shadow: 0 0 0 1px rgba(0,0,0,.2), 0 2px 8px rgba(0,0,0,.4);
  z-index: 2; pointer-events: none;
  transition: top 1.2s ease;
}
.rr-stops.anim { display: grid; grid-template-rows: 1fr; animation: zg-unfold .4s cubic-bezier(.2,.8,.2,1); }
.rr-stops.anim > .rr-stops-inner { overflow: hidden; min-height: 0; }
@keyframes zg-unfold { from { grid-template-rows: 0fr; opacity: 0; } }
.rr-stop {
  display: flex; align-items: center; gap: 11px; padding: 7px 0; position: relative;
  width: 100%; text-align: left;
  font: 400 13px/1 var(--font); color: rgba(var(--ink-rgb),.7);
  transition: color .15s;
}
.rr-stop:not([disabled]):hover { color: var(--ink); }
.rr-stop:not([disabled]):hover .dot { background: var(--cc); }
.rr-stop[disabled] { cursor: default; }
.rr-stop:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 6px; }
/* line drawn per row in two halves so it can stop at the terminus dots */
.rr-stop::before, .rr-stop::after {
  content: ""; position: absolute; left: 3.5px; width: 2px; background: var(--cc);
}
.rr-stop::before { top: 0; height: 50%; }
.rr-stop::after { top: 50%; bottom: 0; }
/* of-type, not child: .rr-bus dots are appended after the stop buttons */
.rr-stop:first-of-type::before, .rr-stop:last-of-type::after { content: none; }
.rr-stop .dot {
  width: 9px; height: 9px; border-radius: 9px; flex-shrink: 0;
  background: var(--bg-2); border: 2px solid var(--cc);
  position: relative; z-index: 1;
}
.rr-stop.terminus { font-weight: 600; color: var(--ink); }
.rr-stop.terminus .dot { background: var(--cc); }
.rr-term-tag {
  margin-left: auto; font: 500 11px/1 var(--font); color: var(--cc);
  padding: 3px 8px; border-radius: 6px;
  background: color-mix(in srgb, var(--cc) 14%, transparent);
}
.rail-empty { padding: 30px 16px; text-align: center; font: 400 13px/1.5 var(--font); opacity: .45; }
#rail-detail {
  margin-bottom: 14px; border-radius: 16px; padding: 14px 16px;
  background: rgba(var(--glass-rgb),.9); border: 1px solid var(--chrome-line);
  animation: zg-rise .32s cubic-bezier(.2,.8,.2,1);
}
.rail-foot {
  flex-shrink: 0; padding: 11px 20px; border-top: 1px solid rgba(var(--ink-rgb),.07);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font: 400 11.5px/1.4 var(--font);
}
.rail-foot > span { opacity: .4; }
#rail-info-btn {
  flex-shrink: 0; padding: 7px 12px; border-radius: 9px;
  background: rgba(var(--ink-rgb),.06); border: 1px solid rgba(var(--ink-rgb),.1);
  color: var(--ink); font: 600 11.5px/1 var(--font); white-space: nowrap;
  transition: background .2s, border-color .2s, transform .15s ease;
}
#rail-info-btn:hover { background: rgba(var(--ink-rgb),.1); border-color: rgba(var(--ink-rgb),.18); }
#rail-info-btn:active { transform: scale(.95); }

/* desktop map overlays (hidden on mobile) */
#map-context {
  display: none; position: absolute; top: 20px; left: 24px; z-index: 500;
  align-items: center; gap: 11px; padding: 10px 16px; border-radius: 13px;
  background: var(--chrome); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--chrome-line);
}
#map-context .mc-pin { color: var(--accent); }
#map-context b { font: 600 13.5px/1 var(--font); }
.mc-div { width: 1px; height: 14px; background: rgba(var(--ink-rgb),.18); }
#mc-sub { font: 500 12.5px/1 var(--font); opacity: .6; }
#map-legend {
  display: none; position: absolute; left: 24px; bottom: 28px; z-index: 500;
  gap: 10px; align-items: center; padding: 10px 14px; border-radius: 12px;
  background: var(--chrome); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--chrome-line);
}
.lg-item { display: flex; align-items: center; gap: 6px; font: 600 11.5px/1 var(--font); transition: opacity .2s; }
.lg-item.dim { opacity: .35; }
.lg-swatch { width: 10px; height: 10px; border-radius: 3px; }

@media (min-width: 1024px) {
  /* splash: editorial layout, content column left, image right */
  #splash { justify-content: center; }
  .splash-topbar { display: flex; }
  .splash-bg { opacity: 1; background-position: center right; }
  .splash-scrim {
    background: linear-gradient(100deg, rgba(15,11,6,.96) 0%, rgba(16,11,6,.86) 30%, rgba(16,11,6,.45) 52%, rgba(16,11,6,.08) 72%, rgba(16,11,6,.18) 100%);
  }
  .splash-content { padding: 0 56px; max-width: 700px; }
  .splash-brand { display: none; }
  .splash-eyebrow { display: flex; }
  #splash h1 {
    font-size: clamp(42px, 4.5vw, 60px); line-height: 1.06; letter-spacing: -.02em;
    max-width: 560px; margin-bottom: 22px;
  }
  #splash h1 .hl { color: var(--accent); }
  #splash p { font-size: 17.5px; line-height: 1.55; max-width: 440px; }
  .splash-action { margin-top: 38px; min-height: 56px; }
  #enter-btn { width: auto; display: inline-flex; padding: 17px 30px; border-radius: 14px; }
  #splash-lines { display: flex; }

  /* app: rail + map shell */
  #app { flex-direction: row; }
  #rail { display: flex; }
  #bottom-nav, .map-topbar, #bottom-sheet { display: none; }
  #bus-callout { display: none !important; }
  #map-context, #map-legend { display: flex; }
  .zoom-ctl { left: auto; top: auto; right: 24px; bottom: 28px; }
  .zoom-ctl button { width: 46px; height: 44px; }
  #locate-btn { right: 24px; bottom: 126px; width: 46px; height: 46px; }
  #theme-btn { right: 24px; bottom: 182px; width: 46px; height: 46px; }

  /* info screen reachable via the rail; centered column + close button */
  #info-close { display: grid; }
  #screen-info .hero { height: 200px; }
  #screen-info .info-body { max-width: 760px; margin: 0 auto; padding: 30px 32px 56px; }
  #screen-info .facts { grid-template-columns: repeat(3, 1fr); }
  #screen-info .fact-lg { grid-column: 1 / -1; display: flex; align-items: baseline; gap: 18px; }
  #screen-info .fact-lg b { font-size: 40px; }
  #screen-info .fact-lg span { margin-top: 0; }
  #screen-info .fact-lg small { margin-top: 0; align-self: center; margin-left: auto; text-align: right; }
}