/* ============================================================
   Alexander Weber — Drive the Valley
   Overlay UI. The world itself is drawn in WebGL.
   ============================================================ */

:root{
  --ink:#14110d;
  --paper:#f4efe6;
  --dusk:#2a2118;
  --amber:#e8a33d;
  --amber-soft:#f2c98a;
  --rule:rgba(244,239,230,.18);
  --shadow:0 24px 70px rgba(0,0,0,.55);
  --sans:"Inter","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --slab:"Georgia","Iowan Old Style",serif;
}

*{box-sizing:border-box}
/* class rules below set display:grid — without this, [hidden] loses and
   the panel and the no-WebGL screen sit on top of the world forever */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0; background:#0e0b08; color:var(--paper);
  font-family:var(--sans); overflow:hidden;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
}
canvas#scene{position:fixed; inset:0; width:100%; height:100%; display:block; touch-action:none}
button{font-family:inherit}

/* ---------------- boot ---------------- */
.boot{
  position:fixed; inset:0; z-index:60; display:grid; place-items:center;
  background:
    radial-gradient(120% 90% at 50% 8%, #3a2a19 0%, #1a1410 55%, #0c0907 100%);
  padding:24px; text-align:center;
  transition:opacity .7s ease, visibility .7s;
}
.boot.gone{opacity:0; visibility:hidden; pointer-events:none}
.boot-inner{max-width:640px}
.boot-kicker{
  letter-spacing:.34em; text-transform:uppercase; font-size:11px;
  color:var(--amber); opacity:.9; margin-bottom:18px;
}
.boot-name{
  font-family:var(--slab); font-weight:400; letter-spacing:-.01em;
  font-size:clamp(38px,7vw,74px); margin:0 0 14px; line-height:1;
}
.boot-sub{margin:0 auto 30px; max-width:44ch; line-height:1.7; opacity:.72; font-size:15px}
.boot-bar{
  width:min(320px,70vw); height:2px; margin:0 auto; background:rgba(255,255,255,.12);
  border-radius:2px; overflow:hidden;
}
.boot-bar span{display:block; height:100%; width:0%; background:var(--amber); transition:width .3s ease}
.boot-status{font-size:11px; letter-spacing:.16em; text-transform:uppercase; opacity:.45; margin-top:14px; min-height:16px}
.boot-start{
  margin-top:26px; padding:15px 54px; border-radius:999px; border:1px solid var(--amber);
  background:transparent; color:var(--amber); font-size:14px; letter-spacing:.28em;
  text-transform:uppercase; cursor:pointer; transition:.25s;
}
.boot-start:disabled{opacity:.25; cursor:default; border-color:var(--rule); color:var(--paper)}
.boot-start:not(:disabled):hover{background:var(--amber); color:#20180d}
.boot-keys{
  margin-top:34px; display:flex; flex-wrap:wrap; gap:8px 18px; justify-content:center;
  font-size:11.5px; opacity:.5;
}
.boot-keys b{color:var(--amber-soft); font-weight:600}
.boot-note{margin-top:16px; font-size:12px; opacity:.35; font-style:italic}

/* ---------------- hud ---------------- */
.hud{position:fixed; inset:0; z-index:20; pointer-events:none; font-size:13px}
.hud [class^="corner"]{pointer-events:auto}

.district-tag{
  position:absolute; top:max(22px,env(safe-area-inset-top)); left:26px;
  font-family:var(--slab); font-size:26px; letter-spacing:.01em;
  text-shadow:0 2px 18px rgba(0,0,0,.7);
  opacity:0; transform:translateY(6px); transition:opacity .8s, transform .8s;
}
.district-tag.show{opacity:.92; transform:none}
.district-tag small{
  display:block; font-family:var(--sans); font-size:10px; letter-spacing:.28em;
  text-transform:uppercase; opacity:.55; margin-top:6px;
}

.prompt{
  position:absolute; left:50%; bottom:12%; transform:translateX(-50%);
  background:rgba(16,12,9,.72); backdrop-filter:blur(8px);
  border:1px solid var(--rule); border-radius:999px;
  padding:10px 22px; text-align:center; white-space:nowrap;
  animation:rise .35s ease;
}
@keyframes rise{from{opacity:0; transform:translate(-50%,10px)}}
.prompt span{font-weight:600; letter-spacing:.02em}
.prompt em{
  display:block; font-style:normal; font-size:10.5px; letter-spacing:.22em;
  text-transform:uppercase; opacity:.55; margin-top:3px;
}

.corner-tr{
  position:absolute; top:max(18px,env(safe-area-inset-top)); right:18px;
  display:flex; gap:8px;
}
.chip{
  background:rgba(16,12,9,.6); border:1px solid var(--rule); color:var(--paper);
  border-radius:999px; padding:7px 14px; font-size:11px; letter-spacing:.12em;
  text-transform:uppercase; cursor:pointer; backdrop-filter:blur(8px); transition:.2s;
}
.chip:hover{border-color:var(--amber); color:var(--amber)}

.corner-bl{position:absolute; left:26px; bottom:26px}
.speedo{font-family:var(--slab); opacity:.5; display:flex; align-items:baseline; gap:5px}
.speedo b{font-size:30px; font-weight:400; min-width:44px; display:inline-block; text-align:right}
.speedo span{font-size:10px; letter-spacing:.24em; text-transform:uppercase}

/* quiet mode — the nursery hides everything */
.hud.quiet .district-tag,
.hud.quiet .prompt,
.hud.quiet .corner-tr,
.hud.quiet .corner-bl{opacity:0 !important; transition:opacity 1.2s}

/* ---------------- touch ---------------- */
.touch{position:fixed; inset:0; z-index:25; pointer-events:none}
.stick{
  position:absolute; left:5vw; bottom:8vh; width:34vw; max-width:170px; aspect-ratio:1;
  border:1px solid rgba(255,255,255,.16); border-radius:50%; pointer-events:auto;
  background:rgba(0,0,0,.22);
}
#stickNub{
  position:absolute; left:50%; top:50%; width:38%; aspect-ratio:1; border-radius:50%;
  background:rgba(244,239,230,.28); transform:translate(-50%,-50%);
}
.pedals{position:absolute; right:5vw; bottom:8vh; display:flex; gap:14px; pointer-events:auto}
.pedal{
  width:19vw; max-width:88px; aspect-ratio:1; border-radius:50%; font-size:20px;
  border:1px solid rgba(255,255,255,.18); background:rgba(0,0,0,.28); color:var(--paper);
}
.pedal.gas{border-color:var(--amber); color:var(--amber)}
.pedal:active{background:rgba(232,163,61,.35)}

/* ---------------- panel ---------------- */
.panel,.sheet{
  position:fixed; inset:0; z-index:40; display:grid; place-items:center;
  background:rgba(8,6,4,.55); backdrop-filter:blur(6px); padding:20px;
  animation:fade .28s ease;
}
@keyframes fade{from{opacity:0}}
.panel-card,.sheet-card{
  position:relative; width:min(680px,100%); max-height:min(84vh,760px);
  background:linear-gradient(#191410,#120e0a);
  border:1px solid var(--rule); border-radius:18px; box-shadow:var(--shadow);
  display:flex; flex-direction:column; overflow:hidden;
  animation:pop .3s cubic-bezier(.2,.9,.3,1);
}
@keyframes pop{from{transform:translateY(16px) scale(.985); opacity:0}}
.panel-scroll,.sheet-card>div:not(.panel-foot){padding:34px 38px; overflow-y:auto}
.panel-close{
  position:absolute; top:12px; right:14px; z-index:2; width:34px; height:34px;
  border-radius:50%; border:1px solid var(--rule); background:rgba(0,0,0,.35);
  color:var(--paper); font-size:20px; line-height:1; cursor:pointer;
}
.panel-close:hover{border-color:var(--amber); color:var(--amber)}
.panel-district{
  font-size:10px; letter-spacing:.3em; text-transform:uppercase; color:var(--amber); opacity:.85;
}
.panel-card h2,.sheet-card h2{
  font-family:var(--slab); font-weight:400; font-size:clamp(26px,4vw,36px);
  margin:10px 0 18px; line-height:1.15;
}
.panel-sign{
  border-left:2px solid var(--amber); padding:2px 0 2px 16px; margin-bottom:22px;
  font-size:15px; line-height:1.65;
}
.panel-sign b{display:block; font-size:19px; letter-spacing:.01em; margin-bottom:5px}
.panel-sign span{display:block; opacity:.72}
.panel-body p{line-height:1.75; opacity:.82; margin:0 0 14px; font-size:14.5px}
.panel-body ul{margin:0 0 16px; padding-left:18px}
.panel-body li{line-height:1.7; opacity:.82; margin-bottom:7px; font-size:14.5px}
.panel-body li b{color:var(--amber-soft); font-weight:600}
.panel-quote{
  margin-top:22px; padding-top:18px; border-top:1px solid var(--rule);
  font-family:var(--slab); font-style:italic; font-size:16px; line-height:1.6; opacity:.78;
}
.panel-quote cite{
  display:block; font-style:normal; font-family:var(--sans); font-size:10.5px;
  letter-spacing:.22em; text-transform:uppercase; opacity:.5; margin-top:9px;
}
.panel-foot{
  padding:13px 38px; border-top:1px solid var(--rule); font-size:11px;
  letter-spacing:.16em; text-transform:uppercase; opacity:.42;
}
.panel-foot b{color:var(--amber-soft)}

/* photo slots — blank until real photos are dropped in */
.panel-photos{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:12px; margin:6px 0 4px}
.photo-slot{
  aspect-ratio:4/3; border:1px dashed rgba(244,239,230,.22); border-radius:10px;
  display:grid; place-items:center; text-align:center; padding:10px;
  font-size:10px; letter-spacing:.2em; text-transform:uppercase; opacity:.4;
  background:rgba(255,255,255,.02);
}
.photo-slot img{width:100%; height:100%; object-fit:cover; border-radius:9px; display:block}
.photo-slot.filled{border:1px solid var(--rule); padding:0; opacity:1}
.photo-cap{font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; opacity:.45; margin-top:6px}

/* sheets */
.sheet-card a{color:var(--amber-soft)}
.sheet-card ul{list-style:none; padding:0; margin:0}
.sheet-card li{padding:11px 0; border-bottom:1px solid var(--rule); font-size:14px; display:flex; justify-content:space-between; gap:20px}
.sheet-card li:last-child{border:0}
.sheet-card li span{opacity:.5; text-transform:uppercase; font-size:10.5px; letter-spacing:.18em}

.fallback{
  position:fixed; inset:0; z-index:80; display:grid; place-items:center; text-align:center;
  padding:40px; background:#12100c; line-height:1.8;
}

@media (max-width:640px){
  .panel-scroll{padding:26px 22px}
  .panel-foot{padding:12px 22px}
  .district-tag{left:18px; font-size:20px}
  .corner-bl{left:18px; bottom:18px}
  .speedo b{font-size:22px}
  .prompt{bottom:30%; font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important; transition-duration:.01ms !important}
}