/* Sightline - a heads-up display, not a card app.
   One accent. Thin lines. Monospace for anything that is data. Plates are
   near-solid so text stays legible in daylight over a live camera. */

:root{
  --bg:#050607;
  --ink:#e6ecf1;
  --dim:rgba(230,236,241,.55);
  --faint:rgba(230,236,241,.28);
  --line:rgba(230,236,241,.2);
  --acc:#4fe3ff;
  --acc-dim:rgba(79,227,255,.42);
  --acc-ghost:rgba(79,227,255,.12);
  --warn:#ffb347;
  --bad:#ff6b6b;
  --plate:rgba(5,6,7,.8);
  --plate-solid:#0a0c0e;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,"Roboto Mono","JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);overscroll-behavior:none}
body{overflow:hidden;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;padding:0}
input,select{font:inherit;color:inherit}
.mono{font-family:var(--mono)}
.k{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase}

#stage{position:fixed;inset:0;overflow:hidden}
#cam{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;display:block}
#cam.mirror{transform:scaleX(-1)}
#overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

/* ---------- viewport frame ---------- */
.frame{position:absolute;inset:0;pointer-events:none;z-index:3}
.fc{position:absolute;width:22px;height:22px;border:1px solid var(--acc-dim)}
.fc.tl{left:12px;top:calc(var(--safe-t) + 12px);border-right:0;border-bottom:0}
.fc.tr{right:12px;top:calc(var(--safe-t) + 12px);border-left:0;border-bottom:0}
.fc.bl{left:12px;bottom:calc(var(--safe-b) + 12px);border-right:0;border-top:0}
.fc.br{right:12px;bottom:calc(var(--safe-b) + 12px);border-left:0;border-top:0}

/* ---------- telemetry ---------- */
#hudTL{position:absolute;left:24px;top:calc(var(--safe-t) + 22px);z-index:6;pointer-events:none}
.wordmark{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.3em;color:var(--ink);margin-bottom:8px}
.tele{display:grid;grid-template-columns:auto auto;gap:3px 14px;font-family:var(--mono);font-size:10px;letter-spacing:.08em}
.tele span{display:flex;gap:7px;white-space:nowrap}
.tele b{font-weight:500;color:var(--faint)}
.tele span>span{color:var(--acc);min-width:5ch}

#hudTR{position:absolute;right:24px;top:calc(var(--safe-t) + 20px);z-index:6;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.clock{font-family:var(--mono);font-size:22px;font-weight:300;letter-spacing:.06em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.mode{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--dim)}
.hbtns{display:flex;gap:6px;margin-top:4px}
.hbtn{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--ink);
  border:1px solid var(--line);padding:8px 12px;min-height:38px;
  background:var(--plate);pointer-events:auto
}
.hbtn.ic{display:grid;place-items:center;width:38px;padding:0}
.hbtn:active{border-color:var(--acc);color:var(--acc)}

/* ---------- reticle ---------- */
#reticle{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(60vw,60vh);height:min(60vw,60vh);z-index:4;pointer-events:none
}
#reticle .ring{position:absolute;inset:-8%;width:116%;height:116%;opacity:.45;animation:spin 9s linear infinite}
#reticle .ring circle{fill:none;stroke:var(--acc);stroke-width:.6;stroke-dasharray:14 86}
#reticle.hot .ring{opacity:.85;animation-duration:4s}
@keyframes spin{to{transform:rotate(360deg)}}
.rc{position:absolute;width:16px;height:16px;border:1px solid var(--faint);transition:border-color .2s}
.rc.tl{left:0;top:0;border-right:0;border-bottom:0}
.rc.tr{right:0;top:0;border-left:0;border-bottom:0}
.rc.bl{left:0;bottom:0;border-right:0;border-top:0}
.rc.br{right:0;bottom:0;border-left:0;border-top:0}
#reticle.hot .rc{border-color:var(--acc)}
.tick{position:absolute;background:var(--faint)}
.tick.t{left:50%;top:-1px;width:1px;height:8px;margin-left:-.5px}
.tick.b{left:50%;bottom:-1px;width:1px;height:8px;margin-left:-.5px}
.tick.l{top:50%;left:-1px;width:8px;height:1px;margin-top:-.5px}
.tick.r{top:50%;right:-1px;width:8px;height:1px;margin-top:-.5px}
#reticle.hot .tick{background:var(--acc)}

/* ---------- scene readout ---------- */
#sceneChip{
  position:absolute;left:50%;transform:translateX(-50%);
  top:calc(50% + min(30vw,30vh) + 22px);z-index:7;
  display:flex;flex-direction:column;align-items:flex-start;gap:5px;
  min-width:200px;max-width:86vw;padding:10px 14px 9px 14px;text-align:left;
  background:var(--plate);border:1px solid var(--line);border-left:2px solid var(--acc);
  animation:in .16s ease
}
#sceneChip:active{border-color:var(--acc)}
.sc-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--acc);display:flex;gap:8px}
.sc-kicker .sep{color:var(--faint)}
.sc-name{font-size:20px;font-weight:600;letter-spacing:-.015em;line-height:1.15;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.sc-bar{display:block;width:100%;height:2px;background:var(--line)}
.sc-bar i{display:block;height:100%;background:var(--acc);width:0;transition:width .2s}
.sc-hint{font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--faint)}
body.caps-on #sceneChip{top:auto;bottom:calc(var(--safe-b) + 176px)}
@keyframes in{from{opacity:0;transform:translateX(-50%) translateY(6px)}to{opacity:1;transform:translateX(-50%)}}

/* ---------- captions ---------- */
#captionBar{
  position:absolute;left:16px;right:16px;bottom:calc(var(--safe-b) + 78px);z-index:5;
  pointer-events:none;display:flex;flex-direction:column;align-items:center;gap:4px
}
.cap-src{font-family:var(--mono);font-size:11px;letter-spacing:.02em;color:var(--dim);background:var(--plate);padding:5px 10px;max-width:min(720px,100%);text-align:center;border:1px solid var(--line)}
.cap-src:empty{display:none}
.cap-main{
  font-size:19px;font-weight:500;line-height:1.35;letter-spacing:-.005em;color:var(--ink);
  background:var(--plate);padding:10px 16px;max-width:min(720px,100%);text-align:center;
  border:1px solid var(--line);border-top:1px solid var(--acc-dim)
}
.cap-main:empty{display:none}
.cap-main .interim{color:var(--dim)}
.cap-meta{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.cap-meta:empty{display:none}

/* ---------- rail ---------- */
#rail{
  position:absolute;left:0;right:0;bottom:0;z-index:6;
  display:flex;align-items:stretch;gap:0;
  padding:0 12px calc(var(--safe-b) + 14px);
  background:linear-gradient(to top,rgba(5,6,7,.82),rgba(5,6,7,0))
}
.rbtn{
  flex:0 0 44px;height:44px;display:grid;place-items:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ink);
  border:1px solid var(--line);background:var(--plate);align-self:flex-end
}
.rbtn[aria-pressed="true"]{border-color:var(--acc);color:var(--acc)}
.rbtn:active{border-color:var(--acc)}
.modes{
  /* flex:1 1 0 + min-width:0 stops the strip sizing to its content and
     spilling past the fixed buttons either side of it.
     justify-content is flex-start, NOT center: a centred flex row that
     overflows spills in BOTH directions, which cuts the first and last mode
     in half with no way to scroll to them. From the start it simply scrolls. */
  flex:1 1 0;min-width:0;
  display:flex;justify-content:flex-start;gap:0;
  overflow-x:auto;scrollbar-width:none;padding:0 2px;align-self:flex-end
}
.modes::-webkit-scrollbar{display:none}
.mbtn{
  /* Type is tuned so all five fit a 414px screen without scrolling; narrower
     phones scroll from the left, which is the natural reading order. */
  flex:0 0 auto;font-family:var(--mono);font-size:10px;letter-spacing:.08em;
  color:var(--dim);padding:0 7px;height:44px;border-bottom:1px solid transparent;white-space:nowrap
}
.mbtn[aria-pressed="true"]{color:var(--acc);border-bottom-color:var(--acc)}

/* ---------- gate ---------- */
#gate{
  position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:28px;
  background:
    linear-gradient(var(--acc-ghost) 1px,transparent 1px) 0 0/48px 48px,
    linear-gradient(90deg,var(--acc-ghost) 1px,transparent 1px) 0 0/48px 48px,
    var(--bg)
}
#gate.hidden{display:none}
.gate-card{max-width:360px;text-align:center}
.gate-mark{
  font-family:var(--mono);font-size:24px;font-weight:500;letter-spacing:.36em;color:var(--ink);
  display:flex;align-items:center;gap:14px;justify-content:center;margin:0 0 22px;padding-left:.36em
}
.gate-mark:before,.gate-mark:after{content:"";flex:1;max-width:44px;height:1px;background:var(--acc-dim)}
.gate-sub{margin:0 0 30px;color:var(--dim);line-height:1.6;font-size:14.5px}
.start{
  position:relative;font-family:var(--mono);font-size:13px;letter-spacing:.3em;color:var(--acc);
  border:1px solid var(--acc);padding:16px 44px 16px 48px;background:transparent;min-height:52px
}
.start:before,.start:after{content:"";position:absolute;width:8px;height:8px;border:1px solid var(--acc)}
.start:before{left:-5px;top:-5px;border-right:0;border-bottom:0}
.start:after{right:-5px;bottom:-5px;border-left:0;border-top:0}
.start:active{background:var(--acc-ghost)}
.start:disabled{opacity:.5}
.gate-note{margin:22px 0 0;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--faint);line-height:1.6}

/* ---------- dossier ---------- */
#sheet{
  position:absolute;left:0;right:0;bottom:0;z-index:14;
  max-height:82vh;overflow-y:auto;-webkit-overflow-scrolling:touch;
  background:var(--plate-solid);border-top:1px solid var(--acc-dim);
  padding:18px 20px calc(var(--safe-b) + 28px);
  animation:rise .2s cubic-bezier(.2,.8,.3,1)
}
@keyframes rise{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.sheet-close{position:absolute;top:14px;right:16px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--dim);border:1px solid var(--line);padding:8px 10px;min-height:32px}
.sheet-close:active{color:var(--acc);border-color:var(--acc)}
.d-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--acc);margin:0 0 8px;padding-right:80px}
.d-title{font-size:26px;font-weight:650;letter-spacing:-.025em;margin:0 0 3px;line-height:1.15;padding-right:80px}
.d-sci{font-family:var(--mono);font-size:12px;letter-spacing:.02em;color:var(--dim);margin:0 0 14px}
.d-conf{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--dim);margin:0 0 16px}
.d-conf .bar{flex:0 0 72px;height:2px;background:var(--line)}
.d-conf .bar i{display:block;height:100%;background:var(--acc)}
.d-hero{position:relative;margin:0 0 16px;background:#000}
.d-hero img{display:block;width:100%;height:180px;object-fit:cover;opacity:.92}
.d-hero:before,.d-hero:after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--acc)}
.d-hero:before{left:0;top:0;border-right:0;border-bottom:0}
.d-hero:after{right:0;bottom:0;border-left:0;border-top:0}
.d-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin:0 0 16px;padding:0}
.d-grid div{border-top:1px solid var(--line);padding:9px 0}
.d-grid dt{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:0 0 3px}
.d-grid dd{margin:0;font-size:13.5px;font-weight:500;line-height:1.35;color:var(--ink)}
.d-body{font-size:15px;line-height:1.62;color:rgba(230,236,241,.86);margin:0 0 16px}
.d-actions{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 4px}
.obtn{
  display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:10px 16px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);
  border:1px solid var(--line);text-decoration:none
}
.obtn.acc{border-color:var(--acc);color:var(--acc)}
.obtn:active{background:var(--acc-ghost)}
.d-note{font-family:var(--mono);font-size:10.5px;letter-spacing:.02em;line-height:1.6;color:var(--dim);margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.d-note.flat{border:0;padding:0;margin:0 0 14px}
.skel{height:12px;margin:0 0 9px;background:linear-gradient(90deg,rgba(230,236,241,.05),rgba(230,236,241,.14),rgba(230,236,241,.05));background-size:200% 100%;animation:sk 1.1s linear infinite}
@keyframes sk{from{background-position:200% 0}to{background-position:-200% 0}}

/* ---------- settings ---------- */
#settings{position:absolute;inset:0;z-index:18;overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--plate-solid)}
.settings-inner{max-width:560px;margin:0 auto;padding:calc(var(--safe-t) + 18px) 20px calc(var(--safe-b) + 40px)}
.sh{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.sh h2{margin:0;font-family:var(--mono);font-size:16px;font-weight:500;letter-spacing:.3em}
.sh .hbtn{margin:0}
.sgroup{border:1px solid var(--line);padding:16px;margin-bottom:12px}
.slabel{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--acc);margin-bottom:8px}
.stitle{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink);margin-bottom:4px}
.shelp{font-size:12.5px;color:var(--dim);line-height:1.55;margin:5px 0 0}
.shelp.mono{font-family:var(--mono);font-size:10.5px}
.shelp b{color:var(--acc);font-family:var(--mono);font-weight:500}
#settings input[type=url]{
  width:100%;padding:12px 12px;min-height:44px;font-family:var(--mono);font-size:13px;
  background:#000;border:1px solid var(--line);color:var(--ink)
}
#settings input[type=url]:focus{outline:none;border-color:var(--acc)}
.srow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--line)}
.srow:first-child{border-top:0;padding-top:2px}
.srow>div:first-child{flex:1;min-width:0}
#settings select{padding:10px 12px;min-height:44px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;background:#000;border:1px solid var(--line);color:var(--ink)}
#settings input[type=range]{width:120px;accent-color:var(--acc)}
.switch{position:relative;display:inline-block;width:46px;height:24px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;border:1px solid var(--line);background:#000;transition:border-color .15s}
.switch span:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:var(--dim);transition:transform .15s,background .15s}
.switch input:checked+span{border-color:var(--acc)}
.switch input:checked+span:before{transform:translateX(22px);background:var(--acc)}
.status{font-family:var(--mono);font-size:11px;letter-spacing:.04em;margin:10px 0;min-height:18px}
.status.ok{color:var(--acc)}
.status.bad{color:var(--bad)}
.status.wait{color:var(--warn)}
.obtn.wide{width:100%;justify-content:center}

/* ---------- toast ---------- */
#toast{
  position:absolute;left:50%;top:calc(var(--safe-t) + 76px);transform:translateX(-50%);z-index:30;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink);
  background:var(--plate-solid);border:1px solid var(--acc-dim);border-left:2px solid var(--acc);
  padding:10px 16px;max-width:90vw;text-align:center;animation:rise .16s ease
}

@media (min-width:900px){
  #sheet{left:auto;right:0;top:0;bottom:0;width:440px;max-height:none;border-top:0;border-left:1px solid var(--acc-dim);padding-top:calc(var(--safe-t) + 22px)}
  #sheet .d-hero img{height:220px}
  #hudTR{right:32px}
  #hudTL{left:32px}
}
@media (max-width:380px){
  .tele{grid-template-columns:auto}
  .clock{font-size:18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}