/* Identidad visual ByteLink — Manual de Identidad Visual (Bytelink SAS)
   Primarios: #00B3FF, #006DFF, #0022AF, #170041 · Tipografía: Poppins
   Interior de la app en tema claro; ingreso sobre fondo violeta corporativo. */
:root {
  --violet: #170041;
  --violet-deep: #0e0030;
  --bg: #F6F9FB;
  --panel: #ffffff;
  --panel-2: #F0F3F7;
  --border: #E2E7EF;
  --border-2: #D1D6DB;
  --text: #161B27;
  --muted: #626874;
  --accent: #00B3FF;
  --accent-2: #006DFF;
  --accent-3: #0022AF;
  --red: #e53935;
  --red-bar: #E02424;
  --yellow: #fdd835;
  --green: #43a047;
  --off: #9A9FA8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Poppins", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
/* Página de ingreso: fondo violeta corporativo */
body.auth {
  background: linear-gradient(135deg, var(--violet-deep) 0%, var(--violet) 55%, #1d0a4e 100%);
  background-attachment: fixed;
  color: #F6F9FB;
}
a { color: var(--accent-2); text-decoration: none; }

/* Barra superior oscura */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: var(--violet-deep); padding: 10px 20px;
  border-bottom: none;
  flex-wrap: wrap;
}
.brand { font-weight: 500; font-size: 18px; color: #ffffff;
  display: flex; align-items: center; gap: 10px; letter-spacing: -.25px; }
.brand b { font-weight: 700; color: var(--accent); }
.brand-icon { height: 30px; width: auto; }
.brand-accent { color: var(--accent); }
.nav-links { display: flex; gap: 8px; flex: 1; align-items: center; }
.nav-links a { color: #B5BAC1; padding: 7px 14px; border-radius: 999px; font-size: 14.5px; }
.nav-links a:hover { color: #ffffff; }
.nav-links a.active { background: var(--accent-2); color: #ffffff; font-weight: 500; }
.nav-user { display: flex; align-items: center; gap: 10px; color: #B5BAC1; font-size: 14px; }

.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
h1 { font-size: 22px; margin: 10px 0; color: var(--violet); font-weight: 600; }
.muted { color: var(--muted); font-size: 13px; }
.empty { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 40px; text-align: center; color: var(--muted); margin-top: 20px; }

.flash { padding: 10px 14px; border-radius: 10px; margin: 10px 0; font-size: 14px; }
.flash-error { background: #FDECEC; color: #B71C1C; border: 1px solid #F5C6C6; }
.flash-ok { background: #E8F5E9; color: #1B5E20; border: 1px solid #C8E6C9; }

/* Aviso de modo demostración */
.notice-demo {
  background: #FFF8E1; border: 1px solid #F2E1A0; color: #8A6D1A;
  border-radius: 10px; padding: 10px 16px; font-size: 14px; margin: 10px 0;
}

.btn {
  display: inline-block; background: #ffffff; color: #2A3040;
  border: 1px solid var(--border-2); border-radius: 8px; padding: 8px 14px;
  font-size: 14px; cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--panel-2); }
.btn-primary { background: var(--accent-2); border-color: var(--accent-2); color: #fff; font-weight: 500; }
.btn-primary:hover { background: var(--accent-3); border-color: var(--accent-3); }
.btn-danger { background: #fff; border-color: #F5C6C6; color: #B71C1C; }
.btn-danger:hover { background: #FDECEC; }
.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }

/* Login (tarjeta blanca sobre fondo violeta, según diseño corporativo) */
.login-wrap { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 60px); }
.login-card {
  background: #ffffff; color: #170041; padding: 40px 36px; border-radius: 16px;
  width: 380px; max-width: 92vw; text-align: center; border: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  margin: 0 auto;
}
.login-card form { text-align: left; margin-top: 18px; }
.login-brand { display: flex; align-items: center; justify-content: center; gap: 14px; }
.login-logo { height: 64px; width: auto; margin: 0; }
.login-brand-text { display: flex; flex-direction: column; text-align: left;
  font-size: 26px; font-weight: 700; line-height: 1.15; color: #170041; letter-spacing: -.5px; }
.login-brand-text b { color: var(--accent-2); }
.login-tagline { color: #7E838E; font-size: 14px; margin: 12px 0 4px; }
.login-card label { color: #170041; font-weight: 600; font-size: 14px; }
.login-card input {
  background: #ffffff; border: 1.5px solid #D1D6DB; color: #170041;
  border-radius: 10px; padding: 11px 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent-2); }
.login-card .btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: none; border-radius: 10px; padding: 12px; font-size: 15px;
  font-weight: 600; margin-top: 10px;
}
.login-card .btn-primary:hover { background: linear-gradient(90deg, var(--accent-2), var(--accent-3)); }
.login-try { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; align-items: center; }
.btn-try {
  background: #ffffff; color: #464C5A; border: 1px solid #D1D6DB;
  border-radius: 999px; padding: 8px 20px; font-size: 13.5px;
  cursor: pointer; font-family: inherit;
}
.btn-try:hover { border-color: var(--accent-2); color: var(--accent-2); }
.login-footer { text-align: center; color: #B5BAC1; font-size: 13px; margin-top: 20px; }

label { display: block; margin: 12px 0; font-size: 14px; color: var(--muted); }
input[type=text], input[type=password], input[type=number], select {
  width: 100%; padding: 9px 12px; margin-top: 5px;
  background: #ffffff; color: var(--text);
  border: 1px solid var(--border-2); border-radius: 8px; font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--accent-2); }
fieldset { border: 1px solid var(--border); border-radius: 10px; margin: 16px 0; padding: 12px 16px; }
legend { color: var(--muted); font-size: 13px; padding: 0 6px; }
.check { display: flex; align-items: center; gap: 8px; margin: 8px 0; color: var(--text); }
.check input { width: auto; }
.form-card { background: var(--panel); border-radius: 12px; padding: 20px; max-width: 640px; border: 1px solid var(--border); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Cards de sitios */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-top: 16px; }
.card {
  background: var(--panel); border-radius: 12px; padding: 18px;
  border: 1px solid var(--border); color: var(--text);
  box-shadow: 0 2px 10px rgba(22, 27, 39, .04);
}
.site-card { border-left: 8px solid var(--off); transition: border-color .3s; }
.site-card.level-1 { border-left-color: var(--red); }
.site-card.level-2 { border-left-color: var(--yellow); }
.site-card.level-3 { border-left-color: var(--green); }
.site-card.level-0 { border-left-color: var(--off); }
.card-title { font-weight: 600; font-size: 17px; color: var(--violet); }
.card-coords { color: var(--muted); font-size: 12px; margin: 4px 0 10px; }
.level-badge { font-weight: 700; font-size: 14px; }
.level-1 .level-badge { color: var(--red); }
.level-2 .level-badge { color: #c7a500; }
.level-3 .level-badge { color: var(--green); }
.level-0 .level-badge { color: var(--muted); }
.card-detail { color: var(--muted); font-size: 13px; margin-top: 6px; }

/* Vista de sitio */
.site-layout { display: grid; grid-template-columns: 1fr 320px; gap: 16px; margin-top: 12px; }
@media (max-width: 900px) { .site-layout { grid-template-columns: 1fr; } }
.map { height: 70vh; min-height: 420px; border-radius: 12px; border: 1px solid var(--border); }
.map-small { height: 300px; min-height: 300px; margin-bottom: 14px; }
.status-panel { display: flex; flex-direction: column; gap: 14px; }
.status-box {
  border-radius: 12px; padding: 22px; text-align: center;
  background: var(--panel); border: 2px solid var(--border-2); color: var(--text);
}
.status-box.level-1 { background: #b71c1c; border-color: var(--red); color: #fff; }
.status-box.level-2 { background: #f9a825; border-color: var(--yellow); color: #1a1a1a; }
.status-box.level-3 { background: #1b5e20; border-color: var(--green); color: #fff; }
.status-box.level-0 { background: var(--panel); border-color: var(--border-2); color: var(--muted); }
.status-level { font-size: 26px; font-weight: 800; }
.status-name { font-size: 15px; font-weight: 600; margin-top: 4px; }

.kv { width: 100%; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; border-collapse: collapse; overflow: hidden; }
.kv td { padding: 8px 12px; font-size: 13px; border-bottom: 1px solid var(--border); }
.kv td:first-child { color: var(--muted); }

.legend { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 13px; }
.legend-title { font-weight: 600; margin-bottom: 6px; color: var(--violet); }
.legend-item { display: flex; align-items: center; gap: 8px; margin: 4px 0; color: var(--muted); }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; flex: none; }

.strike-list { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 13px; max-height: 240px; overflow-y: auto; }
.strike-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.strike-icon { font-size: 16px; text-shadow: 0 0 3px rgba(0,0,0,.35); }

/* Barra de alarma de alerta roja (banda superior, como el panel corporativo) */
.alarm-banner {
  position: sticky; top: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center; gap: 16px;
  background: var(--red-bar); color: #fff;
  padding: 12px 20px; font-size: 15px; font-weight: 600;
  border: none; border-radius: 0; width: 100%;
}
.alarm-btn {
  background: #fff; color: #2A3040; border: none; border-radius: 8px;
  padding: 8px 16px; font-size: 13.5px; font-weight: 600;
  cursor: pointer; font-family: inherit; white-space: nowrap;
}
.alarm-btn:hover { background: #FDECEC; }

/* Impresión (historial de alarmas) */
.print-only { display: none; }
@media print {
  body, body.app { background: #fff !important; color: #000; }
  .topbar, .alarm-banner, .no-print, .btn, .notice-demo, .flash { display: none !important; }
  .container { max-width: 100%; padding: 0; }
  h1 { color: #000; }
  .print-only { display: block; color: #444; margin: 4px 0 10px; }
  .table { border: 1px solid #999; box-shadow: none; }
  .table th { background: #eee; color: #000; }
  .table td, .table th { border-color: #999; }
  .pill { border: 1px solid #999; }
}

/* Tablas */
.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-top: 14px; }
.table th { text-align: left; padding: 10px 14px; background: var(--panel-2); font-size: 13px; color: var(--muted); }
.table td { padding: 10px 14px; border-top: 1px solid var(--border); font-size: 14px; }
.actions { white-space: nowrap; }
.pill { display: inline-block; min-width: 22px; text-align: center; padding: 2px 8px; border-radius: 999px; font-weight: 700; color: #111; }