/* Scan & Copy — scan.lifelinkqr.com
   Dark, phone-first scanner UI. No external assets. */

:root{
  --bg:#0b0f12;
  --bg-2:#121820;
  --bg-3:#18212b;
  --line:#243040;
  --text:#e8eef5;
  --muted:#8ea0b5;
  --accent:#00d3a7;
  --accent-ink:#00281f;
  --danger:#ff6b6b;
  --radius:14px;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0;padding:0}
html{background:var(--bg)}
body{
  background:var(--bg);
  color:var(--text);
  font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  -webkit-text-size-adjust:100%;
  overscroll-behavior-y:contain;
}
button,input,select{font:inherit;color:inherit}
button{-webkit-tap-highlight-color:transparent}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

#app{
  max-width:640px;margin:0 auto;
  min-height:100dvh;
  display:flex;flex-direction:column;
  padding-bottom:calc(84px + var(--safe-b));
}

/* ── Header ── */
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:calc(10px + var(--safe-t)) 14px 10px;
  background:rgba(11,15,18,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand-mark{width:24px;height:24px;color:var(--accent);flex:none}
.brand-mark .bars{stroke-width:1.6}
.brand-text{font-weight:650;letter-spacing:-.2px;font-size:17px;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:8px}
.chip{
  font-size:13px;font-weight:600;color:var(--accent);
  background:rgba(0,211,167,.12);border:1px solid rgba(0,211,167,.28);
  padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.icon-btn{
  background:var(--bg-3);border:1px solid var(--line);color:var(--muted);
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;cursor:pointer;
}
.icon-btn:active{transform:scale(.95)}

/* ── Camera stage ── */
.stage{
  position:relative;margin:12px 14px 0;
  aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:#05080a;border:1px solid var(--line);
}
#video{width:100%;height:100%;object-fit:cover;display:block;background:#05080a}

.reticle{position:absolute;inset:12% 8%;pointer-events:none;opacity:0;transition:opacity .25s}
.stage.live .reticle{opacity:1}
.reticle .c{position:absolute;width:26px;height:26px;border:3px solid var(--accent);border-radius:3px}
.reticle .tl{top:0;left:0;border-right:0;border-bottom:0}
.reticle .tr{top:0;right:0;border-left:0;border-bottom:0}
.reticle .bl{bottom:0;left:0;border-right:0;border-top:0}
.reticle .br{bottom:0;right:0;border-left:0;border-top:0}
.reticle .laser{
  position:absolute;left:6px;right:6px;height:2px;top:0;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  box-shadow:0 0 12px rgba(0,211,167,.9);
  animation:sweep 2.4s ease-in-out infinite;
}
@keyframes sweep{0%,100%{top:4%}50%{top:96%}}
@media (prefers-reduced-motion:reduce){.reticle .laser{animation:none;top:50%}}

.stage.hit{animation:flash .28s ease-out}
@keyframes flash{0%{box-shadow:inset 0 0 0 0 rgba(0,211,167,0)}35%{box-shadow:inset 0 0 0 6px rgba(0,211,167,.75)}100%{box-shadow:inset 0 0 0 0 rgba(0,211,167,0)}}

.idle-card{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;gap:6px;padding:24px;
  background:linear-gradient(180deg,#0e1419,#080c10);
}
.stage.live .idle-card{display:none}
.idle-card.err{background:linear-gradient(180deg,#1b1112,#0d0708)}
.idle-icon{width:44px;height:44px;color:var(--accent);opacity:.9;margin-bottom:4px}
.idle-title{margin:0;font-weight:650;font-size:17px}
.idle-sub{margin:0;color:var(--muted);font-size:14px;max-width:34ch}
.idle-card.err .idle-title{color:var(--danger)}

.stage-controls{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:8px}
.round-btn{
  width:42px;height:42px;border-radius:50%;cursor:pointer;
  background:rgba(8,12,16,.62);border:1px solid rgba(255,255,255,.18);color:#fff;
  display:grid;place-items:center;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.round-btn[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.round-btn:active{transform:scale(.94)}

.zoom-wrap{position:absolute;left:10px;right:62px;bottom:14px}
#zoom{width:100%;accent-color:var(--accent)}

/* ── Scan button ── */
.scanbar{padding:12px 14px 4px}
.scan-btn{
  width:100%;padding:15px;border-radius:var(--radius);cursor:pointer;
  background:var(--accent);color:var(--accent-ink);border:0;
  font-weight:700;font-size:16px;letter-spacing:-.1px;
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.scan-btn.on{background:var(--bg-3);color:var(--text);border:1px solid var(--line)}
.scan-btn:active{transform:scale(.99)}
.scan-btn .dot{width:9px;height:9px;border-radius:50%;background:currentColor;opacity:.55}
.scan-btn.on .dot{background:var(--accent);opacity:1;animation:pulse 1.3s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}

/* ── List ── */
.listwrap{flex:1;padding:14px 14px 0}
.list-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px}
.list-head h2{margin:0;font-size:13px;font-weight:650;text-transform:uppercase;letter-spacing:.7px;color:var(--muted)}
.text-btn{background:none;border:0;padding:4px 0;font-size:14px;font-weight:600;cursor:pointer;color:var(--muted)}
.text-btn.danger{color:var(--danger)}

.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.row{
  display:flex;align-items:center;gap:10px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:9px 9px 9px 12px;
}
.row.new{animation:pop .3s ease-out}
@keyframes pop{from{transform:translateY(-6px);border-color:var(--accent);background:rgba(0,211,167,.1)}}
.row .n{
  flex:none;min-width:24px;height:24px;padding:0 6px;border-radius:7px;
  background:var(--bg-3);color:var(--muted);
  font-size:12px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.row .val{
  flex:1;min-width:0;border:0;background:transparent;padding:2px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;letter-spacing:.2px;word-break:break-all;
}
.row .val:focus{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.row .fmt{flex:none;font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;opacity:.8}
.row .del{
  flex:none;width:32px;height:32px;border-radius:9px;cursor:pointer;
  background:transparent;border:0;color:var(--muted);display:grid;place-items:center;
}
.row .del:active{background:rgba(255,107,107,.14);color:var(--danger)}
.row .del svg{width:18px;height:18px}

.empty{color:var(--muted);font-size:14px;text-align:center;padding:22px 0;margin:0}

.manual{display:flex;gap:8px;margin:12px 0 4px}
.manual input{
  flex:1;min-width:0;background:var(--bg-2);border:1px solid var(--line);
  border-radius:12px;padding:12px 13px;font-size:15px;
}
.manual input:focus{outline:none;border-color:var(--accent)}
.manual input::placeholder{color:#6b7f96}
.add-btn{
  flex:none;padding:0 18px;border-radius:12px;cursor:pointer;
  background:var(--bg-3);border:1px solid var(--line);font-weight:650;
}
.add-btn:active{transform:scale(.97)}

/* ── Action bar ── */
.actions{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  max-width:640px;margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:8px;
  padding:10px 14px calc(10px + var(--safe-b));
  background:rgba(11,15,18,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
}
.act{
  display:flex;align-items:center;justify-content:center;gap:7px;
  padding:13px 8px;border-radius:12px;cursor:pointer;font-weight:650;font-size:15px;
  background:var(--bg-3);border:1px solid var(--line);color:var(--text);
}
.act svg{width:18px;height:18px}
.act.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.act.danger-solid{background:var(--danger);color:#2a0808;border-color:var(--danger);font-weight:700}
.act.wide{width:100%;margin-top:6px}
.act:active{transform:scale(.98)}
.act:disabled{opacity:.42;pointer-events:none}

/* ── Sheets ── */
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:40;backdrop-filter:blur(2px)}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  max-width:640px;margin:0 auto;
  background:var(--bg-2);border:1px solid var(--line);border-bottom:0;
  border-radius:20px 20px 0 0;
  padding:8px 18px calc(20px + var(--safe-b));
  max-height:88dvh;overflow-y:auto;
  animation:rise .22s ease-out;
}
@keyframes rise{from{transform:translateY(16px);opacity:.6}}
.sheet-grip{width:38px;height:4px;border-radius:2px;background:var(--line);margin:4px auto 12px}
.sheet-title{margin:0 0 14px;font-size:19px;font-weight:700}
.field{margin:0 0 14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field select,.field input{
  width:100%;background:var(--bg-3);border:1px solid var(--line);
  border-radius:11px;padding:12px 13px;font-size:15px;
}
.field select{appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.field select:focus,.field input:focus{outline:none;border-color:var(--accent)}

.preview-wrap{display:flex;align-items:center;gap:9px;margin:-6px 0 16px}
.preview-label{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);flex:none}
.preview{
  flex:1;min-width:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;color:var(--accent);background:var(--bg-3);border:1px solid var(--line);
  border-radius:9px;padding:8px 10px;white-space:pre-wrap;word-break:break-all;
}

.switch{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);cursor:pointer}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .sw{
  flex:none;width:46px;height:28px;border-radius:999px;background:var(--bg-3);
  border:1px solid var(--line);position:relative;transition:background .16s,border-color .16s;
}
.switch .sw::after{
  content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;
  background:var(--muted);transition:transform .16s,background .16s;
}
.switch input:checked + .sw{background:rgba(0,211,167,.22);border-color:var(--accent)}
.switch input:checked + .sw::after{transform:translateX(18px);background:var(--accent)}
.switch input:focus-visible + .sw{outline:2px solid var(--accent);outline-offset:2px}
.sw-text{display:flex;flex-direction:column;gap:1px;min-width:0}
.sw-text b{font-weight:600;font-size:15px}
.sw-text small{color:var(--muted);font-size:12.5px;line-height:1.35}
.sheet-note{color:var(--muted);font-size:12.5px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line)}

.confirm{
  position:fixed;z-index:50;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(330px,calc(100vw - 44px));
  background:var(--bg-2);border:1px solid var(--line);border-radius:18px;padding:20px;
  text-align:center;
}
.confirm-title{margin:0 0 4px;font-size:17px;font-weight:650}
.confirm-sub{margin:0 0 16px;color:var(--muted);font-size:14px}
.confirm-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}

/* ── Toast ── */
.toast{
  position:fixed;left:50%;transform:translate(-50%,14px);
  bottom:calc(86px + var(--safe-b));z-index:60;
  background:#f2f7fb;color:#0b0f12;font-weight:650;font-size:14.5px;
  padding:11px 18px;border-radius:999px;box-shadow:0 8px 28px rgba(0,0,0,.45);
  opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.warn{background:#ffdf8a}