/* BABEL-1 — instrument panel for a cuneiform cipher reader.
   Two phosphors carry meaning, not decoration:
     amber  = the instrument and the tablet's own material
     cyan   = the machine's telemetry about itself
     bone   = the decoded text, i.e. the artifact finally speaking
   The wedge (clip-path triangle) is lifted from cuneiform itself and is the only
   ornament used anywhere. */

:root{
  --void:#0B0906;          /* unlit phosphor behind glass, warm not neutral */
  --void-2:#120E09;
  --phos:#FFB13B;          /* P3 amber */
  --phos-dim:#7A5320;
  --cold:#6FE3FF;
  --bone:#F2E4C9;
  --alert:#FF4B2B;
  --rule:#2A2015;

  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --term:"VT323","IBM Plex Mono",ui-monospace,monospace;

  --pad:clamp(.75rem,2.2vw,1.35rem);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--void);
  color:var(--phos);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.5;
  min-height:100dvh;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overflow-x:hidden;
}

/* CRT: scanlines + vignette only. No curvature, no chromatic aberration — those are
   the tells of an overcooked terminal pastiche. */
.crt{
  position:fixed;inset:0;pointer-events:none;z-index:90;
  background:
    repeating-linear-gradient(180deg,rgba(0,0,0,.16) 0 1px,rgba(0,0,0,0) 1px 3px),
    radial-gradient(125% 105% at 50% 42%,transparent 62%,rgba(0,0,0,.45) 100%);
}

.wedge{
  width:.62em;height:.62em;flex:none;
  background:currentColor;
  clip-path:polygon(0 0,100% 50%,0 100%);
}

/* ── status rail ── */
.rail{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.5rem var(--pad);
  border-bottom:1px solid var(--rule);
  background:linear-gradient(180deg,var(--void-2),var(--void));
}
.rail__id{display:flex;align-items:center;gap:.55rem;
  font-family:var(--term);font-size:1.75rem;letter-spacing:.06em;line-height:1;
  text-shadow:0 0 12px rgba(255,177,59,.45)}
.rail__id b{font-weight:400}
.rail__sub{color:var(--phos-dim);font-size:1.1rem;letter-spacing:.14em;
  text-transform:uppercase}
.rail__state{display:flex;align-items:center;gap:.5rem;
  font-family:var(--term);font-size:1.35rem;color:var(--cold);
  text-transform:uppercase;letter-spacing:.12em;
  text-shadow:0 0 10px rgba(111,227,255,.4)}
.lamp{width:9px;height:9px;border-radius:50%;background:var(--phos-dim);flex:none}
.lamp[data-state="idle"]{background:var(--phos-dim)}
.lamp[data-state="run"]{background:var(--cold);animation:pulse 1s steps(2) infinite}
.lamp[data-state="ok"]{background:var(--phos);box-shadow:0 0 8px var(--phos)}
.lamp[data-state="err"]{background:var(--alert);box-shadow:0 0 8px var(--alert)}
@keyframes pulse{0%{opacity:1}50%{opacity:.25}100%{opacity:1}}

/* ── layout ── */
.bay{
  display:grid;gap:var(--pad);padding:var(--pad);
  grid-template-columns:minmax(0,1fr);
  max-width:1400px;margin:0 auto;
}
/* Phone: input, then the answer, then the instrument readouts. Telemetry is reference
   material — it should not sit between you and the transcript. */
.panel--bay{order:1}
.panel--out{order:2}
.panel--tel{order:3}

@media (max-width:640px){
  body{font-size:14px}
  .rail__sub{display:none}
  .stage{aspect-ratio:1/1}
  .btn{font-size:1.05rem;padding:.24rem .7rem;letter-spacing:.08em}
  .controls{gap:.35rem}
  .tel{grid-template-columns:1fr 1fr;column-gap:1rem}
  .out{font-size:.95rem}
}
/* Desktop: the transcript is the payload, so it gets the dominant column and sits
   above the fold. Input and instrument readouts stack down the narrower left rail. */
@media (min-width:900px){
  .bay{grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr);
       grid-template-areas:"bay out" "tel out";
       align-items:start}
  .panel--bay{grid-area:bay}
  .panel--tel{grid-area:tel}
  .panel--out{grid-area:out;min-height:calc(100dvh - 8rem)}
}

.panel{border:1px solid var(--rule);background:var(--void-2);min-width:0;
  display:flex;flex-direction:column}
.panel__head{
  display:flex;align-items:center;gap:.5rem;
  padding:.45rem .7rem;border-bottom:1px solid var(--rule);
  color:var(--phos-dim);
}
.panel__head h2{
  margin:0;font-family:var(--term);font-size:1.35rem;font-weight:400;
  letter-spacing:.16em;text-transform:uppercase;color:var(--phos);
  text-shadow:0 0 10px rgba(255,177,59,.35);
}
.panel__note{margin-left:auto;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--phos-dim)}

/* ── scan stage ── */
.stage{
  position:relative;aspect-ratio:4/3;background:#060403;overflow:hidden;
  display:grid;place-items:center;touch-action:none;
}
@media (min-width:900px){.stage{aspect-ratio:4/3;max-height:44vh}}
.stage::before{                       /* calibration graticule */
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    repeating-linear-gradient(90deg,var(--rule) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(180deg,var(--rule) 0 1px,transparent 1px 40px);
  mask-image:radial-gradient(120% 120% at 50% 50%,#000 30%,transparent 78%);
}
.stage:has(#shot.on)::before{opacity:.28}
.stage:has(#cam.on)::before{opacity:0}
.stage__empty{position:relative;z-index:2;padding:1.5rem;text-align:center;max-width:44ch;
  color:var(--phos-dim);z-index:1}
.stage__lead{margin:0 0 .5rem;color:var(--phos);font-family:var(--term);
  font-size:1.85rem;letter-spacing:.04em;line-height:1.1;
  text-shadow:0 0 14px rgba(255,177,59,.3)}
.stage__hint{margin:0 auto;font-size:.78rem;line-height:1.7;max-width:36ch}
#cam,#shot{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  display:none;z-index:1;-webkit-user-drag:none;user-select:none}
#cam.on,#shot.on{display:block}


/* Cropper.js chrome, recoloured to the instrument palette: cold cyan for the frame
   the operator controls, amber reserved for the machine's own readouts. */
.cropper-container{z-index:2}
.cropper-view-box{outline:1px solid var(--cold);outline-color:rgba(111,227,255,.85)}
.cropper-line,.cropper-point{background-color:var(--cold)}
.cropper-point{width:10px;height:10px;opacity:.9}
@media (pointer:coarse){.cropper-point{width:18px;height:18px}}
.cropper-point.point-se{width:12px;height:12px}
@media (pointer:coarse){.cropper-point.point-se{width:22px;height:22px}}
.cropper-modal{background-color:#060403;opacity:.62}
.cropper-dashed{border-color:rgba(111,227,255,.4)}
.cropper-bg{background-image:none}

/* the signature: a sweep that parks on each text line until that line really decodes */
.sweep{
  position:absolute;left:0;right:0;height:2px;z-index:4;background:var(--phos);
  box-shadow:0 0 12px 2px rgba(255,177,59,.65);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  will-change:transform;
}
.sweep::before,.sweep::after{
  content:"";position:absolute;top:-4px;width:10px;height:10px;background:var(--phos);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.sweep::before{left:-11px}
.sweep::after{right:-11px;transform:scaleX(-1)}

/* ── controls ── */
.controls{display:flex;flex-wrap:wrap;gap:.45rem;padding:.7rem;
  border-top:1px solid var(--rule)}
.btn{
  font-family:var(--term);font-size:1.2rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--phos);background:transparent;border:1px solid var(--phos-dim);
  padding:.28rem 1rem;cursor:pointer;transition:background .12s,color .12s;
}
.btn:hover{background:rgba(255,177,59,.12)}
.btn:focus-visible{outline:2px solid var(--cold);outline-offset:2px}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn--go{border-color:var(--phos);background:rgba(255,177,59,.14)}
.btn--go:hover{background:rgba(255,177,59,.26)}
.controls__hint{margin:0;padding:0 .7rem .7rem;font-size:.72rem;color:var(--phos-dim);
  letter-spacing:.05em}

/* ── telemetry ── */
.tel{margin:0;padding:.7rem;display:grid;gap:.42rem;font-size:.8rem;
  align-content:start}
.tel>div{display:flex;align-items:baseline;gap:.5rem}
.tel dt{color:var(--phos-dim);text-transform:uppercase;letter-spacing:.1em;
  font-size:.7rem;white-space:nowrap}
.tel dd{margin:0 0 0 auto;color:var(--cold);font-variant-numeric:tabular-nums;
  text-shadow:0 0 8px rgba(111,227,255,.3)}
.meter{height:3px;margin:0 .7rem;background:var(--rule)}
.meter i{display:block;height:100%;width:0;background:var(--cold);
  transition:width .3s linear}
.log{margin:.55rem .7rem .8rem;font-size:.74rem;color:var(--phos-dim);
  min-height:2.4em;letter-spacing:.03em}
.log.is-err{color:var(--alert)}

/* ── transcript ── */
.tabs{margin-left:auto;display:flex;gap:.25rem}
.tab{font-family:var(--term);font-size:1.05rem;letter-spacing:.1em;text-transform:uppercase;
  background:transparent;border:1px solid transparent;color:var(--phos-dim);
  padding:.05rem .5rem;cursor:pointer}
.tab.is-on{color:var(--phos);border-color:var(--phos-dim)}
.tab:focus-visible{outline:2px solid var(--cold);outline-offset:2px}

.out{padding:var(--pad);min-height:9rem;color:var(--bone);
  font-size:1rem;line-height:1.8;overflow-wrap:anywhere;max-width:80ch;
  overflow-y:auto}
.out__idle{margin:0;color:var(--phos-dim);font-size:.82rem;max-width:62ch}
.out__raw{font-size:.82rem;color:var(--phos);white-space:pre-wrap;margin:0;
  font-family:var(--mono)}
.out__raw b{color:var(--phos-dim);font-weight:400;user-select:none}

/* a glyph the language pass rewrote: shown so the correction is visible, not hidden */
.fix{color:var(--phos);border-bottom:1px solid var(--phos-dim)}

.sentence{display:block;margin:0 0 .7rem;text-wrap:pretty}
.stream{margin-top:1.4rem;border-top:1px solid var(--rule);padding-top:.7rem}
.stream>span{display:block;font-family:var(--term);font-size:1.05rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--phos-dim);margin-bottom:.3rem}
.stream p{margin:0;font-size:.78rem;color:var(--phos-dim);line-height:1.7;
  overflow-wrap:anywhere}
.sentence::before{
  content:"";display:inline-block;width:.5em;height:.5em;margin-right:.55em;
  background:var(--phos-dim);clip-path:polygon(0 0,100% 50%,0 100%);
  vertical-align:.08em;
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .crt{background:radial-gradient(120% 100% at 50% 45%,transparent 60%,rgba(0,0,0,.5) 100%)}
}