/* ============================================================
   world.window
   ============================================================ */

:root{
  --bg:        #05070c;
  --ink:       #e8eef7;
  --ink-dim:   #8c9bb0;
  --line:      rgba(255,255,255,.10);
  --glass:     rgba(14,20,32,.82);
  --accent:    #6ee7ff;
  --accent-2:  #a78bfa;
  --ok:        #4ade80;
  --warn:      #fbbf24;
  --bad:       #fb7185;
  --radius:    16px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, system-ui, sans-serif;
}

*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

html,body{
  margin:0; padding:0;
  height:100%; width:100%;
  overflow:hidden;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  overscroll-behavior:none;
  touch-action:none;
  -webkit-user-select:none; user-select:none;
}

.hidden{ display:none !important; }

/* ---------- the window itself ---------- */
#gl{
  position:fixed; inset:0;
  width:100%; height:100%;
  display:block;
  touch-action:none;
}

/* ---------- centre target ---------- */
.target{
  position:fixed;
  left:50%; top:50%;
  width:min(46vmin,220px); aspect-ratio:1;
  transform:translate(-50%,-50%);
  pointer-events:none;
  /* Above the wizard, which is deliberately see-through while aiming. */
  z-index:85;
  animation:target-in .4s ease both;
}
.target svg{ width:100%; height:100%; overflow:visible; }
.target .ring{ fill:none; stroke:var(--accent); }
.target .ring.outer{ stroke-width:1.5; opacity:.45; stroke-dasharray:6 8; transform-origin:60px 60px; animation:spin 14s linear infinite; }
.target .ring.mid{ stroke-width:2; opacity:.8; animation:pulse 1.8s ease-in-out infinite; transform-origin:60px 60px; }
.target .dot{ fill:var(--accent); }
.target .tick{ stroke:var(--accent); stroke-width:2; opacity:.7; }
@keyframes spin{ to{ transform:rotate(360deg);} }
@keyframes pulse{ 0%,100%{ transform:scale(1); opacity:.85 } 50%{ transform:scale(1.12); opacity:.4 } }
@keyframes target-in{ from{ opacity:0; transform:translate(-50%,-50%) scale(.7);} to{ opacity:1; } }

/* ---------- HUD ---------- */
.hud{
  position:fixed;
  top:calc(env(safe-area-inset-top,0px) + 12px); left:12px;
  z-index:60;
  padding:10px 12px;
  background:var(--glass);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:12px;
  font-family:var(--mono); font-size:11px; line-height:1.55;
  min-width:158px;
  pointer-events:none;
}
.hud-row{ display:flex; justify-content:space-between; gap:14px; }
.hud-row span{ color:var(--ink-dim); }
.hud-row b{ font-weight:600; color:var(--accent); }
#debug-cam{
  display:block; margin-top:8px;
  width:160px; height:120px;
  border-radius:8px; border:1px solid var(--line);
  background:#000;
}

/* ---------- dock ---------- */
.dock{
  position:fixed;
  right:12px; bottom:calc(env(safe-area-inset-bottom,0px) + 12px);
  z-index:60;
  display:flex; flex-direction:column; gap:8px;
}
.chip{
  width:46px; height:46px;
  display:grid; place-items:center;
  font-size:19px; line-height:1;
  color:var(--ink);
  background:var(--glass);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:13px;
  cursor:pointer;
  transition:transform .12s ease, border-color .12s ease, color .12s ease;
}
.chip:active{ transform:scale(.92); }
.chip.on{ color:var(--accent); border-color:rgba(110,231,255,.55); }

/* ---------- sheets & wizard ---------- */
.wizard, .sheet{
  position:fixed; inset:0;
  z-index:80;
  display:grid; place-items:center;
  padding:16px;
  background:radial-gradient(120% 90% at 50% 0%, rgba(30,41,66,.72), rgba(5,7,12,.94));
  backdrop-filter:blur(9px); -webkit-backdrop-filter:blur(9px);
  overflow:auto;
  overscroll-behavior:contain;
  touch-action:pan-y;
}
.wizard-card, .sheet-inner{
  width:min(560px,100%);
  max-height:100%;
  overflow-y:auto;
  padding:24px;
  background:linear-gradient(180deg, rgba(20,27,42,.94), rgba(11,15,24,.96));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 30px 90px -20px rgba(0,0,0,.85);
}

.step{ animation:step-in .28s ease both; }
@keyframes step-in{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:none;} }

h1{ font-size:26px; margin:0; letter-spacing:-.02em; font-weight:650; }
h1 span{ color:var(--accent); }
h2{
  font-size:19px; margin:0 0 10px; font-weight:620; letter-spacing:-.01em;
  display:flex; align-items:center; gap:10px; line-height:1.3;
}
h2 i{
  flex:none;
  width:24px; height:24px; border-radius:8px;
  display:grid; place-items:center;
  font-style:normal; font-size:12px; font-weight:700;
  background:rgba(110,231,255,.14); color:var(--accent);
  border:1px solid rgba(110,231,255,.28);
}
h2 em{ font-style:normal; color:var(--accent); }

.lede{ color:var(--ink-dim); font-size:14px; line-height:1.62; margin:0 0 16px; }
.lede em{ color:var(--ink); font-style:normal; }
.hint{ font-size:12.5px; color:var(--ink-dim); line-height:1.6; margin:14px 0 0; }

.brand{ display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.brand-mark{
  width:34px; height:34px; flex:none;
  border-radius:9px;
  border:2.5px solid var(--accent);
  background:linear-gradient(140deg, rgba(110,231,255,.28), rgba(167,139,250,.16));
  box-shadow:0 0 26px -4px rgba(110,231,255,.6);
}

.checklist{ list-style:none; margin:0 0 20px; padding:0; }
.checklist li{
  position:relative; padding-left:22px; margin-bottom:8px;
  color:var(--ink-dim); font-size:13.5px; line-height:1.5;
}
.checklist li::before{
  content:""; position:absolute; left:4px; top:8px;
  width:6px; height:6px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 10px var(--accent);
}
.checklist em{ color:var(--ink); font-style:normal; font-weight:600; }

/* ---------- buttons ---------- */
.step-actions, .sheet-actions{ display:flex; gap:10px; margin-top:20px; }
.btn{
  flex:1;
  padding:14px 18px;
  font:inherit; font-size:14.5px; font-weight:600;
  color:#05070c;
  background:linear-gradient(140deg, var(--accent), #4cc9e8);
  border:0; border-radius:12px;
  cursor:pointer;
  transition:transform .12s ease, opacity .12s ease;
}
.btn:active{ transform:scale(.975); }
.btn:disabled{ opacity:.35; cursor:not-allowed; }
.btn.ghost{
  background:transparent;
  color:var(--ink-dim);
  border:1px solid var(--line);
  flex:0 1 auto; padding-inline:16px;
}

/* ---------- fields ---------- */
.field{ display:block; margin-bottom:20px; }
.field-label{
  display:flex; justify-content:space-between; align-items:baseline; gap:12px;
  font-size:13px; color:var(--ink-dim); margin-bottom:9px;
}
.field-label b{ font-family:var(--mono); color:var(--accent); font-size:12.5px; }
.field small, .field-label + small{
  display:block; margin-top:7px;
  font-size:11.5px; color:var(--ink-dim); opacity:.75; line-height:1.5;
}
.field em{ font-style:normal; color:var(--ink); }

input[type=range]{
  -webkit-appearance:none; appearance:none;
  width:100%; height:26px; margin:0;
  background:transparent; cursor:pointer;
}
input[type=range]::-webkit-slider-runnable-track{
  height:4px; border-radius:2px;
  background:rgba(255,255,255,.14);
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width:22px; height:22px; margin-top:-9px;
  border-radius:50%; border:0;
  background:var(--accent);
  box-shadow:0 0 0 5px rgba(110,231,255,.16);
}
input[type=range]::-moz-range-track{ height:4px; border-radius:2px; background:rgba(255,255,255,.14); }
input[type=range]::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%; border:0;
  background:var(--accent); box-shadow:0 0 0 5px rgba(110,231,255,.16);
}

input[type=number]{
  width:100%; padding:12px 14px;
  font:inherit; font-family:var(--mono); font-size:15px;
  color:var(--ink);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line); border-radius:10px;
}

.switch{
  display:flex; align-items:center; gap:12px;
  padding:12px 0;
  font-size:13.5px; color:var(--ink-dim);
  cursor:pointer;
}
.switch input{
  appearance:none; -webkit-appearance:none;
  flex:none; width:44px; height:26px; margin:0;
  border-radius:13px; background:rgba(255,255,255,.12);
  border:1px solid var(--line);
  position:relative; cursor:pointer;
  transition:background .16s ease;
}
.switch input::after{
  content:""; position:absolute; top:2px; left:2px;
  width:20px; height:20px; border-radius:50%;
  background:var(--ink-dim);
  transition:transform .16s ease, background .16s ease;
}
.switch input:checked{ background:rgba(110,231,255,.28); border-color:rgba(110,231,255,.5); }
.switch input:checked::after{ transform:translateX(18px); background:var(--accent); }

.fallback{ margin:-4px 0 0; font-size:13px; color:var(--ink-dim); }
.fallback summary{ cursor:pointer; padding:8px 0; }
.fallback[open] summary{ margin-bottom:10px; }

/* ---------- card ruler ----------
   Full-bleed on purpose: a bank card's short edge is 5.4 cm, which is
   most of the width of a small phone, so the gauge has to be allowed
   out of the card's padding to stay reachable. */
.card-ruler{
  display:grid; place-items:center;
  padding:14px 0 12px;
  margin-inline:-22px;
  min-height:104px;
}
.ruler-card{
  position:relative;
  height:78px;
  min-width:60px;
  border-left:2px solid var(--accent);
  border-right:2px solid var(--accent);
  background:linear-gradient(180deg, rgba(110,231,255,.14), rgba(110,231,255,.02));
  display:grid; place-items:center;
  font-family:var(--mono); font-size:11px; color:var(--accent);
  box-shadow:0 0 40px -14px rgba(110,231,255,.7);
}
/* caliper arms */
.ruler-card::before,
.ruler-card::after{
  content:"";
  position:absolute; top:50%; height:1px;
  background:var(--accent); opacity:.55;
  width:min(26px, 22%);
}
.ruler-card::before{ left:0; }
.ruler-card::after{ right:0; }
.ruler-card span{
  position:relative; z-index:1;
  padding:3px 9px; border-radius:6px;
  background:rgba(11,15,24,.9);
}

.seg{
  display:flex; gap:6px;
  padding:4px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:11px;
}
.seg-btn{
  flex:1; padding:9px 6px;
  font:inherit; font-size:11.5px; font-family:var(--mono);
  color:var(--ink-dim); background:transparent;
  border:0; border-radius:8px; cursor:pointer;
  transition:background .14s ease, color .14s ease;
}
.seg-btn.on{ background:rgba(110,231,255,.16); color:var(--accent); }

/* ---------- centre-target countdown ---------- */
.target-count{
  position:absolute; inset:0;
  display:grid; place-items:center;
  font-family:var(--mono); font-size:44px; font-weight:600;
  color:var(--warn);
  text-shadow:0 0 24px rgba(0,0,0,.9);
  pointer-events:none;
}

/* While aiming at the centre target, the wizard gets out of the way. */
.wizard.aiming{
  background:linear-gradient(180deg, rgba(5,7,12,0) 56%, rgba(5,7,12,.92) 80%);
  backdrop-filter:none; -webkit-backdrop-filter:none;
  place-items:end center;
  padding-bottom:calc(env(safe-area-inset-bottom,0px) + 16px);
  pointer-events:none;
}
.wizard.aiming .wizard-card{
  pointer-events:auto;
  background:rgba(11,15,24,.92);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
}

.readout{
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
  margin:16px 0;
}
.readout.wide{ grid-template-columns:1fr 1fr; }
.readout div{
  padding:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:11px;
  text-align:center;
}
.readout b{ display:block; font-family:var(--mono); font-size:17px; color:var(--accent); }
.readout small{ display:block; margin-top:4px; font-size:10.5px; color:var(--ink-dim); }

/* ---------- camera preview ---------- */
.preview-wrap{
  position:relative;
  width:100%; aspect-ratio:4/3;
  border-radius:13px; overflow:hidden;
  background:#000;
  border:1px solid var(--line);
}
.preview-wrap video,
.preview-wrap canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;
  transform:scaleX(-1);          /* mirror, so it reads like a mirror */
}
.preview-badge{
  position:absolute; left:10px; bottom:10px;
  padding:5px 11px; border-radius:99px;
  font-family:var(--mono); font-size:11px;
  background:rgba(5,7,12,.72); border:1px solid var(--line);
  color:var(--ink-dim);
}
.preview-badge.ok{ color:var(--ok); border-color:rgba(74,222,128,.4); }
.preview-badge.bad{ color:var(--bad); border-color:rgba(251,113,133,.4); }

/* ---------- aim hint ---------- */
.aim-hint{
  display:flex; align-items:center; gap:12px;
  padding:14px 16px; margin-bottom:16px;
  background:rgba(110,231,255,.06);
  border:1px solid rgba(110,231,255,.2);
  border-radius:12px;
  font-size:13px; color:var(--ink-dim);
}
.lens-blip{
  flex:none; width:14px; height:14px; border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 0 rgba(110,231,255,.7);
  animation:blip 1.6s ease-out infinite;
}
@keyframes blip{
  0%{ box-shadow:0 0 0 0 rgba(110,231,255,.65); }
  70%{ box-shadow:0 0 0 16px rgba(110,231,255,0); }
  100%{ box-shadow:0 0 0 0 rgba(110,231,255,0); }
}

/* ---------- capture ---------- */
.capture-box{
  padding:14px 16px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
}
.capture-state{
  font-family:var(--mono); font-size:12px; color:var(--ink-dim);
  margin-bottom:10px; min-height:16px;
}
.capture-state.count{ color:var(--warn); font-size:15px; }
.capture-state.ok{ color:var(--ok); }
.capture-state.bad{ color:var(--bad); }
.capture-bar{
  height:4px; border-radius:2px; overflow:hidden;
  background:rgba(255,255,255,.10);
}
.capture-bar i{
  display:block; height:100%; width:0%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  transition:width .1s linear;
}

/* ---------- toast ---------- */
.toast{
  position:fixed;
  left:50%; bottom:calc(env(safe-area-inset-bottom,0px) + 22px);
  transform:translateX(-50%);
  z-index:90;
  padding:11px 18px;
  max-width:min(420px, calc(100vw - 32px));
  text-align:center;
  background:var(--glass);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:99px;
  font-size:13px; color:var(--ink);
  animation:toast-in .22s ease both;
  pointer-events:none;
}
@keyframes toast-in{ from{ opacity:0; transform:translate(-50%,12px);} to{ opacity:1; transform:translate(-50%,0);} }

/* ---------- small screens ---------- */
@media (max-height:680px){
  .wizard-card, .sheet-inner{ padding:18px; }
  .lede{ font-size:13px; margin-bottom:12px; }
  .card-ruler{ min-height:120px; padding:10px 0 6px; }
  .field{ margin-bottom:14px; }
  h1{ font-size:22px; }
}