:root{
  --bg:#eef2f7; --surface:#ffffff; --surface2:#f8fafc; --border:#e2e8f0;
  --text:#1e293b; --muted:#64748b;
  --blue:#1976d2; --blue-dark:#1565c0; --blue-soft:#e8f1fb;
  --green:#16a34a; --orange:#f59e0b; --gray:#94a3b8; --red:#dc2626;
  --shadow:0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
     background:var(--bg);color:var(--text);font-size:14px}

/* ---------- Login ---------- */
.login-body{display:flex;align-items:center;justify-content:center;height:100vh;
  background:linear-gradient(135deg,#1976d2 0%,#0d47a1 100%)}
.login-card{background:var(--surface);padding:36px;border-radius:16px;width:340px;
  text-align:center;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.login-card h1{color:var(--blue-dark);margin:0 0 4px;font-size:24px}
.login-card .sub{color:var(--muted);margin:0 0 24px;font-size:13px}
.login-card label{display:block;text-align:left;color:var(--muted);font-size:12px;margin:12px 0 5px;font-weight:600}
.login-card input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface2);color:var(--text);font-size:14px}
.login-card input:focus{outline:none;border-color:var(--blue);background:#fff}
.login-card button{width:100%;margin-top:22px;padding:13px;border:none;border-radius:10px;
  background:var(--blue);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:background .15s}
.login-card button:hover{background:var(--blue-dark)}
.error{background:#fee2e2;color:#b91c1c;padding:10px;border-radius:8px;margin-bottom:12px;font-size:13px}

/* ---------- Layout ---------- */
.topbar{display:flex;justify-content:space-between;align-items:center;
  background:var(--surface);padding:0 20px;height:58px;border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;z-index:500}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--blue-dark)}
.user{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--muted)}
.logout{color:var(--blue);text-decoration:none;background:var(--blue-soft);padding:7px 14px;
  border-radius:8px;font-weight:600;transition:background .15s}
.logout:hover{background:#d6e7fa}

.layout{display:flex;height:calc(100vh - 58px)}

/* ---------- Árbol de vehículos (izquierda) ---------- */
.arbol{width:290px;background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden}
.arbol-head{padding:14px 16px;font-weight:700;color:var(--text);border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center}
.arbol-head .total{font-size:12px;color:var(--muted);font-weight:500}
.arbol-lista{flex:1;overflow-y:auto;padding:8px}
.grupo-titulo{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.5px;color:var(--muted);padding:12px 8px 6px}
.grupo-titulo .cuenta{margin-left:auto;background:var(--surface2);border-radius:10px;
  padding:1px 8px;font-size:11px}
.veh-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;
  cursor:pointer;transition:background .12s;margin-bottom:2px}
.veh-item:hover{background:var(--surface2)}
.veh-item.sel{background:var(--blue-soft)}
.dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}
.dot.operativo{background:var(--green);box-shadow:0 0 0 3px rgba(22,163,74,.15)}
.dot.online{background:var(--orange);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
.dot.desconectado{background:var(--gray)}
.veh-info{flex:1;min-width:0}
.veh-nombre{font-weight:600;font-size:14px}
.veh-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- Mapa (centro) ---------- */
#map{flex:1;height:100%;z-index:1}

/* ---------- Panel derecho ---------- */
.detalle{width:370px;background:var(--surface);border-left:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden}
.detalle-head{padding:16px;border-bottom:1px solid var(--border)}
.detalle-head .volver{background:none;border:none;color:var(--blue);cursor:pointer;
  font-size:13px;font-weight:600;padding:0;margin-bottom:10px;display:none}
.detalle-head h2{font-size:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.3px}
.badge.operativo{background:#dcfce7;color:#15803d}
.badge.online{background:#fef3c7;color:#b45309}
.badge.desconectado{background:#f1f5f9;color:#64748b}
.detalle-head .cond{color:var(--muted);font-size:13px;margin-top:6px}

.acciones{padding:16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px}
.acciones .fila{display:flex;gap:8px}
.acciones input{flex:1;padding:11px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface2);font-size:14px}
.acciones input:focus{outline:none;border-color:var(--blue);background:#fff}
.btn{padding:11px 14px;border:none;border-radius:10px;font-weight:600;cursor:pointer;
  font-size:14px;transition:filter .15s;white-space:nowrap}
.btn:hover{filter:brightness(.95)}
.btn-azul{background:var(--blue);color:#fff}
.btn-verde{background:var(--green);color:#fff;width:100%}
.btn-rojo{background:var(--red);color:#fff}

.actividad{flex:1;display:flex;flex-direction:column;min-height:0}
.actividad h3{padding:14px 16px 8px;font-size:13px;color:var(--muted);text-transform:uppercase;
  letter-spacing:.4px;font-weight:700}
.log{flex:1;overflow-y:auto;padding:0 12px 12px}
.ln{padding:9px 10px;border-radius:8px;margin-bottom:5px;font-size:13px;background:var(--surface2);
  border-left:3px solid var(--border);line-height:1.4}
.ln .hora{color:var(--muted);font-size:11px;font-family:ui-monospace,monospace}
.ln.EMERGENCIA{border-left-color:var(--red);background:#fef2f2}
.ln.AVERIADO{border-left-color:var(--orange);background:#fffbeb}
.ln.ATASCADO{border-left-color:#eab308;background:#fefce8}
.ln.SOLICITO_LLAMADA{border-left-color:var(--blue);background:var(--blue-soft)}
.ln.ack{border-left-color:var(--green);background:#f0fdf4}
.ln.turno{border-left-color:var(--gray)}
.ln.saliente{border-left-color:var(--blue);background:#eff6ff}
.vacio{color:var(--muted);text-align:center;padding:30px 16px;font-size:13px}

/* ---------- Overlay de llamada ---------- */
#callOverlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.55);
  align-items:center;justify-content:center;z-index:9999}
.call-card{background:#fff;border-radius:18px;padding:32px 40px;text-align:center;width:330px;
  box-shadow:0 20px 60px rgba(0,0,0,.3)}
.call-card .ico{font-size:46px}
.call-card .t{font-size:20px;font-weight:700;margin:10px 0 2px}
.call-card .v{color:var(--muted);margin-bottom:4px}
.call-card .timer{color:var(--green);font-family:ui-monospace,monospace;font-size:18px;margin-bottom:22px}
.call-card button{width:100%;padding:14px;border:none;border-radius:10px;background:var(--red);
  color:#fff;font-weight:700;font-size:16px;cursor:pointer}

/* ---------- Emergencia: parpadeo de toda la página ---------- */
@keyframes emgpulse {
  0%, 100% { background: rgba(220,38,38,0); }
  50%      { background: rgba(220,38,38,.45); }
}
#emergenciaOverlay{
  display:none; position:fixed; inset:0; z-index:10000;
  align-items:center; justify-content:center;
  pointer-events:none;                 /* deja interactuar con el resto */
  animation:emgpulse 1s infinite;
}
.emg-card{
  background:#fff; border:4px solid var(--red); border-radius:18px;
  padding:34px 44px; text-align:center; pointer-events:auto;
  box-shadow:0 20px 60px rgba(0,0,0,.4); animation:emgshake .5s infinite;
}
@keyframes emgshake { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }
.emg-card .emg-ico{font-size:54px}
.emg-card .emg-t{font-size:26px;font-weight:800;color:var(--red);letter-spacing:1px;margin:6px 0}
.emg-card .emg-v{font-size:18px;color:var(--text);margin-bottom:22px;font-weight:600}
.emg-card button{width:100%;padding:14px;border:none;border-radius:10px;background:var(--red);
  color:#fff;font-weight:700;font-size:17px;cursor:pointer}

/* ---------- Toasts (avisos) ---------- */
#toasts{position:fixed;top:70px;right:18px;z-index:9000;display:flex;flex-direction:column;gap:10px;width:300px}
.toast{background:#fff;border-radius:12px;padding:14px 16px;box-shadow:0 8px 24px rgba(15,23,42,.18);
  border-left:5px solid var(--blue);animation:toastin .25s ease}
@keyframes toastin{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.averia{border-left-color:var(--orange)}
.toast.llamada{border-left-color:var(--blue)}
.toast-t{font-weight:700;font-size:14px}
.toast-v{color:var(--muted);font-size:13px;margin:2px 0 10px}
.toast-acc{display:flex;gap:6px}
.toast-acc button{flex:1;padding:8px;border:none;border-radius:8px;font-weight:600;font-size:13px;
  cursor:pointer;background:var(--surface2);color:var(--text)}
.toast-acc button[data-act="llamar"]{background:var(--green);color:#fff}
.toast-acc button[data-act="cerrar"]{flex:0 0 38px;background:var(--surface2)}