:root{
  --bg:#f5f5f7; --card:#ffffff; --ink:#1d1d1f; --muted:#6e6e73; --line:#e5e5ea;
  --accent:#0071e3; --accent-d:#0060c0; --green:#34c759; --red:#ff3b30;
  --orange:#ff9500; --radius:16px; --shadow:0 4px 20px rgba(0,0,0,.06);
  --shadow-lg:0 12px 40px rgba(0,0,0,.14);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;line-height:1.45}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Header translúcido tipo macOS */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;
  padding:12px 22px;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.topbar .brand{font-weight:600;font-size:16px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.topbar .brand .dot{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,#0071e3,#42a5ff);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px}
.topbar nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.topbar nav a{color:var(--ink);padding:7px 12px;border-radius:9px;font-size:14px;font-weight:500}
.topbar nav a:hover{background:rgba(0,0,0,.06);text-decoration:none}
.topbar nav a.active{background:rgba(0,113,227,.12);color:var(--accent)}
.home-btn{display:inline-flex;align-items:center;gap:6px;background:rgba(0,0,0,.06);
  padding:7px 13px;border-radius:980px;color:var(--ink);font-weight:600;font-size:14px}
.home-btn:hover{background:rgba(0,0,0,.1);text-decoration:none}

.wrap{max-width:1040px;margin:26px auto;padding:0 22px}
.wrap-narrow{max-width:520px}

/* Tarjetas */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card h2,.card h3{margin:0 0 14px;letter-spacing:-.01em}
h1{letter-spacing:-.02em}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  background:var(--accent);color:#fff;padding:11px 20px;border-radius:980px;font-size:15px;font-weight:600;
  font-family:var(--font);transition:.15s;text-decoration:none}
.btn:hover{background:var(--accent-d);text-decoration:none}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.sec{background:rgba(0,0,0,.06);color:var(--ink)}
.btn.sec:hover{background:rgba(0,0,0,.1)}
.btn.green{background:var(--green)}
.btn.red{background:var(--red)}
.btn.ghost{background:transparent;color:var(--accent);padding:8px 10px}
.btn.lg{padding:16px 30px;font-size:17px}

/* Formularios */
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 5px;font-weight:500}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:11px;
  font-size:15px;font-family:var(--font);background:#fff;color:var(--ink);outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.12)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>div{flex:1;min-width:160px}
.check{display:flex;align-items:center;gap:8px}
.check input{width:auto}

/* Tablas */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:none}

/* Badges / pills */
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:980px}
.pill.on{background:rgba(52,199,89,.16);color:#1a7f37}
.pill.off{background:rgba(0,0,0,.07);color:var(--muted)}
.pill.blue{background:rgba(0,113,227,.14);color:var(--accent)}
.pill.entrada{background:rgba(52,199,89,.16);color:#1a7f37}
.pill.salida{background:rgba(255,59,48,.14);color:#c0392b}

.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#e5e5ea;
  display:inline-flex;align-items:center;justify-content:center;color:#8e8e93;font-weight:600}

.muted{color:var(--muted)}
.center{text-align:center}
.notice{padding:12px 16px;border-radius:12px;background:rgba(0,113,227,.1);color:var(--accent-d);margin-bottom:16px}
.notice.warn{background:rgba(255,149,0,.12);color:#8a5300}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}

/* Toast flotante */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);
  background:rgba(30,30,32,.92);color:#fff;padding:14px 22px;border-radius:14px;font-weight:500;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.25s;z-index:100;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{background:rgba(40,167,69,.95)}
.toast.err{background:rgba(255,59,48,.95)}

/* ---- Tarjetas de dedos (enrolamiento) ---- */
.dedos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:14px}
.dedo-card{border:1.5px solid var(--line);border-radius:14px;padding:14px 12px;text-align:center;
  background:var(--bg);transition:.2s}
.dedo-card.listo{border-color:var(--green);background:rgba(52,199,89,.06)}
.dedo-card.capturando{border-color:var(--accent);background:rgba(0,113,227,.06);
  animation:latido 1.2s ease-in-out infinite}
@keyframes latido{0%,100%{box-shadow:0 0 0 0 rgba(0,113,227,.28)}50%{box-shadow:0 0 0 8px rgba(0,113,227,0)}}
.dedo-ico{font-size:28px;line-height:1}
.dedo-sel{margin:8px 0 6px;padding:7px 8px;font-size:13px;border-radius:9px}
.dedo-sel:disabled{background:transparent;border-color:transparent;font-weight:600;text-align:center;
  -webkit-appearance:none;appearance:none;color:var(--ink)}
.dedo-estado{min-height:24px;font-size:12px}
.barra{height:6px;background:var(--line);border-radius:4px;overflow:hidden;margin-top:8px}
.barra-in{height:100%;width:0;background:var(--accent);transition:.3s}
.dedo-card.listo .barra-in{background:var(--green)}

/* ---- Versión web ---- */
.notice.err{background:rgba(255,59,48,.10);color:#a1271f}
.notice.ok{background:rgba(52,199,89,.12);color:#1a7f37}
.btn.sm{padding:7px 13px;font-size:13px}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;font-size:14px;margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:500}
.estado-linea{display:flex;align-items:center;gap:10px;font-weight:600}
.semaforo{width:11px;height:11px;border-radius:50%;background:#c7c7cc;flex-shrink:0}
.semaforo.ok{background:var(--green);box-shadow:0 0 0 4px rgba(52,199,89,.18)}
.semaforo.mal{background:var(--red);box-shadow:0 0 0 4px rgba(255,59,48,.15)}
.semaforo.medio{background:var(--orange);box-shadow:0 0 0 4px rgba(255,149,0,.18)}
.pasos{margin:8px 0 0;padding-left:20px}
.pasos li{margin:6px 0}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.grid-2 .card{margin-bottom:0}
.huella-prueba{width:160px;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff;image-rendering:auto}
.btn-pantalla{position:fixed;right:14px;bottom:14px;z-index:900;width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(0,0,0,.14);background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
  font-size:17px;line-height:1;color:#333;box-shadow:0 2px 10px rgba(0,0,0,.12);opacity:.55;cursor:pointer;
  font-family:var(--font);transition:opacity .18s}
.btn-pantalla:hover{opacity:1}
.camara-modal video{width:100%;border-radius:14px;background:#000;aspect-ratio:4/3;object-fit:cover}