/* ============ Variables y base ============ */
:root{
  --bg:#0f172a; --bg2:#1e293b; --surface:#ffffff; --surface-2:#f1f5f9;
  --text:#0f172a; --muted:#64748b; --border:#e2e8f0;
  --primary:#6366f1; --primary-d:#4f46e5; --primary-l:#eef2ff;
  --green:#16a34a; --green-l:#dcfce7; --red:#dc2626; --red-l:#fee2e2;
  --amber:#d97706; --amber-l:#fef3c7; --blue:#2563eb; --blue-l:#dbeafe;
  --radius:14px; --shadow:0 4px 16px rgba(15,23,42,.08);
  --header-h:58px; --sidebar-w:240px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--surface-2);color:var(--text);font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
a{color:var(--primary-d);text-decoration:none}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:18px;margin:0 0 12px}

/* ============ Login ============ */
.login-body{background:linear-gradient(135deg,#1e1b4b,#0f172a);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--surface);border-radius:20px;padding:32px 26px;width:100%;max-width:380px;box-shadow:0 24px 60px rgba(0,0,0,.4);display:flex;flex-direction:column;gap:14px}
.login-logo{font-size:46px;text-align:center}
.login-card h1{text-align:center;font-size:20px;margin:0}
.login-sub{text-align:center;color:var(--muted);margin:0 0 8px;font-size:14px}
.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}

/* ============ Layout app ============ */
.topbar{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--bg);color:#fff;
  display:flex;align-items:center;gap:12px;padding:0 16px;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.brand{font-weight:700;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hamburger{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px;line-height:1}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:12px}
.user-name{font-size:14px;opacity:.9;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout{background:rgba(255,255,255,.15);color:#fff;padding:7px 12px;border-radius:8px;font-size:13px}

.sidebar{position:fixed;top:var(--header-h);bottom:0;left:0;width:var(--sidebar-w);background:var(--bg2);
  padding:14px 10px;overflow-y:auto;z-index:40;transition:transform .25s ease}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar a{color:#cbd5e1;padding:11px 14px;border-radius:10px;font-size:14px;font-weight:500;display:flex;gap:8px;align-items:center}
.sidebar a:hover{background:rgba(255,255,255,.07);color:#fff}
.sidebar a.active{background:var(--primary);color:#fff}
.nav-sep{color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:14px 14px 6px;font-weight:700}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:30}

.content{margin-left:var(--sidebar-w);margin-top:var(--header-h);padding:22px;min-height:calc(100vh - var(--header-h))}

/* ============ Componentes ============ */
.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.grid-cards{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}

.stat{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:4px}
.stat .num{font-size:28px;font-weight:800}
.stat .lbl{color:var(--muted);font-size:13px;font-weight:600}
.stat .ico{font-size:22px}
.stat.green{border-left:4px solid var(--green)} .stat.green .num{color:var(--green)}
.stat.red{border-left:4px solid var(--red)} .stat.red .num{color:var(--red)}
.stat.blue{border-left:4px solid var(--blue)} .stat.blue .num{color:var(--blue)}
.stat.amber{border-left:4px solid var(--amber)} .stat.amber .num{color:var(--amber)}

/* Formularios */
label{font-size:13px;font-weight:600;color:var(--muted)}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--text);margin-top:4px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-l)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-field{margin-bottom:14px}
.check-row{display:flex;align-items:center;gap:8px;margin:10px 0}
.check-row input{width:auto;margin:0}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;
  padding:11px 18px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-green{background:var(--green);color:#fff}
.btn-red{background:var(--red);color:#fff}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:13px}

/* Tablas */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
th{background:var(--surface-2);font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
tr:hover td{background:var(--surface-2)}

/* Badges / alertas */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700}
.badge.in{background:var(--green-l);color:var(--green)}
.badge.out{background:var(--red-l);color:var(--red)}
.badge.ini{background:var(--blue-l);color:var(--blue)}
.badge.warn{background:var(--amber-l);color:var(--amber)}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:14px;font-weight:500}
.alert-ok{background:var(--green-l);color:#14532d}
.alert-err{background:var(--red-l);color:#7f1d1d}

tr.row-link{cursor:pointer}
tr.row-link:hover td{background:var(--primary-l)}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.muted{color:var(--muted)}
.text-right{text-align:right}

/* Cámara / QR */
.media-box{border:2px dashed var(--border);border-radius:12px;padding:14px;text-align:center;margin-top:6px}
#qr-reader{width:100%;max-width:340px;margin:10px auto;border-radius:12px;overflow:hidden}
.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.thumbs img{width:70px;height:70px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}
.thumb-item{position:relative;display:inline-block}
.thumb-del{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;
  border:none;background:var(--red);color:#fff;font-size:12px;line-height:1;cursor:pointer;
  box-shadow:0 1px 4px rgba(0,0,0,.3)}
.fotos-count{font-size:12px;color:var(--muted);margin-top:6px;font-weight:600}
.add-foto-btn{display:inline-flex;align-items:center;gap:6px}
.qr-result{margin-top:8px;font-weight:700;color:var(--green)}

/* ============ Responsive (móvil) ============ */
@media (max-width:880px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .overlay.show{display:block}
  .content{margin-left:0;padding:16px}
  .form-row{grid-template-columns:1fr}
  h1{font-size:19px}
}
@media (min-width:881px){ .hamburger{display:none} }