/* =====================================================================
   FIBERONE — Public scan experience
   Flat, white-primary, blue-secondary. Thin lines. No gradients, no neon.
   ===================================================================== */
:root{
  --blue:#1655e6;
  --blue-ink:#0b1f4d;
  --ink:#1a2233;
  --muted:#6b7280;
  --line:#eceef3;
  --line-2:#e2e6ee;
  --paper:#f7f8fb;
  --white:#ffffff;
  --red:#d23b34;
  --green:#1f9d57;
  --radius:12px;
  --radius-sm:9px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);
  background:var(--white);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.5;
}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:10;background:var(--white);
  border-bottom:1px solid var(--line);
  padding:14px 18px calc(14px + env(safe-area-inset-top));
  display:flex;align-items:center;gap:10px;
}
.brand{font-weight:800;color:var(--blue-ink);font-size:16px;letter-spacing:.2px}
.brand .dot{color:var(--blue)}
.bar-link{margin-left:auto;color:var(--muted);font-size:13px;font-weight:600;text-decoration:none;
  border:1px solid var(--line-2);padding:7px 12px;border-radius:20px}
.bar-link:active{background:var(--paper)}

/* ---------- layout ---------- */
.page{max-width:560px;margin:0 auto;padding:22px 18px calc(40px + env(safe-area-inset-bottom))}

/* ---------- scanner ---------- */
.scan-head{margin:8px 2px 18px}
.scan-head h1{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.2px}
.scan-head p{font-size:14px;color:var(--muted);margin-top:6px}

.cam{
  position:relative;width:100%;aspect-ratio:1/1;background:var(--paper);
  border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.cam video{width:100%;height:100%;object-fit:cover;display:block}
.cam .frame{
  position:absolute;inset:14%;border:1.5px solid var(--blue);border-radius:14px;
  box-shadow:0 0 0 1px rgba(22,85,230,.15);pointer-events:none;
}
.cam .frame::before,.cam .frame::after{
  content:"";position:absolute;width:22px;height:22px;border:2px solid var(--blue);
}
.cam .frame::before{top:-2px;left:-2px;border-right:none;border-bottom:none;border-top-left-radius:14px}
.cam .frame::after{bottom:-2px;right:-2px;border-left:none;border-top:none;border-bottom-right-radius:14px}
.cam .msg{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:var(--muted);
  font-size:13px;font-weight:600;padding:0 14px}

.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  border:1px solid var(--line-2);background:var(--white);color:var(--ink);
  padding:14px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;
  cursor:pointer;font-family:var(--font);transition:background .15s,border-color .15s;
}
.btn:active{transform:scale(.99)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:active{background:#1143be}
.btn.ghost{background:var(--white);color:var(--blue);border-color:var(--line-2)}
.btn-row{display:flex;gap:10px;margin-top:14px}
.btn-row .btn{margin:0}

.divider{display:flex;align-items:center;color:var(--muted);font-size:12px;font-weight:700;
  margin:22px 0 14px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}

.manual input{width:100%;border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:14px;font-size:15px;color:var(--ink);outline:none;font-family:var(--font);background:var(--white)}
.manual input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,85,230,.12)}
.manual .btn{margin-top:10px}

.foot-note{font-size:12.5px;color:var(--muted);margin-top:18px;line-height:1.55}
.foot-note b{color:var(--ink)}

/* ---------- viewer ---------- */
.box-photo{width:100%;aspect-ratio:4/3;background:var(--paper);border:1px solid var(--line-2);
  border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}
.box-photo img{width:100%;height:100%;object-fit:cover}
.box-photo .ph{color:var(--muted);font-size:13px;font-weight:600}

.box-name{font-size:22px;font-weight:800;color:var(--ink);margin:18px 2px 2px;letter-spacing:-.2px}
.box-sub{font-size:13px;color:var(--muted);margin:0 2px 16px;font-weight:600}

.row{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row .k{font-size:13px;color:var(--muted);font-weight:600;flex:none}
.row .v{font-size:14px;color:var(--ink);font-weight:700;text-align:right;word-break:break-word}

.spacer{height:8px}

/* locked state */
.locked{margin-top:8px;border:1px solid var(--line-2);border-radius:var(--radius);padding:18px 16px;
  background:var(--paper)}
.locked h3{font-size:15px;font-weight:800;color:var(--ink)}
.locked p{font-size:13px;color:var(--muted);margin:6px 0 14px;line-height:1.5}
.code-input{width:100%;border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:14px;font-size:15px;letter-spacing:1px;color:var(--ink);outline:none;background:var(--white);
  font-family:var(--font)}
.code-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,85,230,.12)}
.locked .btn{margin-top:10px}
.lock-msg{font-size:13px;font-weight:700;margin-top:10px;min-height:16px}
.lock-msg.err{color:var(--red)}
.lock-msg.ok{color:var(--green)}

/* subscriber list */
.cust{border:1px solid var(--line-2);border-radius:var(--radius);padding:14px 15px;margin-bottom:12px;background:var(--white)}
.cust .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.cust .who{font-size:15px;font-weight:800;color:var(--ink)}
.cust .port{font-size:12px;font-weight:800;color:var(--blue);background:rgba(22,85,230,.08);
  border-radius:20px;padding:3px 10px}
.cust .ph{width:100%;aspect-ratio:16/10;background:var(--paper);border-radius:var(--radius-sm);
  overflow:hidden;margin:8px 0;display:flex;align-items:center;justify-content:center}
.cust .ph img{width:100%;height:100%;object-fit:cover}
.cust .ph .ph{color:var(--muted);font-size:12px}
.cust .mini{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-top:1px solid var(--line)}
.cust .mini .k{font-size:12px;color:var(--muted);font-weight:600;flex:none}
.cust .mini .v{font-size:13px;color:var(--ink);font-weight:700;text-align:right;word-break:break-word}

.section-label{font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase;
  letter-spacing:.6px;margin:22px 2px 12px}

/* status pills */
.pill{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.4px;border-radius:20px;
  padding:4px 11px}
.pill.live{background:rgba(31,157,87,.1);color:var(--green)}
.pill.off{background:var(--paper);color:var(--muted)}

/* errors / loading */
.note{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:22px 18px;text-align:center;color:var(--ink);font-weight:700}
.note .sub{font-size:13px;color:var(--muted);font-weight:600;margin-top:10px;line-height:1.5}

.loading{display:flex;align-items:center;justify-content:center;min-height:40vh;color:var(--muted);
  font-size:14px;font-weight:600}
.sk-fill{height:8px;border-radius:6px;background:var(--line);overflow:hidden;margin-top:8px}
.sk-fill span{display:block;height:100%;background:var(--blue);border-radius:6px}

/* ---- live route map ---- */
.map-panel{display:none;margin:14px 0 6px;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.map-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line-2);font-size:14px}
.map-close{border:1px solid var(--line-2);background:var(--paper);color:var(--ink);border-radius:8px;padding:6px 12px;font-size:13px;font-weight:700;cursor:pointer}
.map-canvas{height:300px;width:100%}
.map-dist{padding:8px 14px;font-size:13px;font-weight:700;color:var(--blue);border-top:1px solid var(--line-2)}
.mk-box{color:#e8590c;font-size:18px;line-height:18px;text-align:center;text-shadow:0 0 2px #fff}
.mk-me{color:#1f6feb;font-size:16px;line-height:16px;text-align:center;text-shadow:0 0 2px #fff}
.btn.ghost.map-link{margin:14px 0 4px;background:var(--paper);border:1px solid var(--line-2);color:var(--blue)}