:root {
  --azul: #2563eb;
  --azul-oscuro: #1d4ed8;
  --navy: #0f2744;
  --navy-claro: #16334f;
  --verde: #16a34a;
  --verde-suave: #dcfce7;
  --rojo: #dc2626;
  --rojo-suave: #fee2e2;
  --ambar: #f59e0b;
  --ambar-suave: #fef3c7;
  --gris: #9ca3af;
  --gris-suave: #f3f4f6;
  --fondo: #f1f5f9;
  --carta: #ffffff;
  --borde: #e2e8f0;
  --texto: #0f172a;
  --texto-2: #475569;
  --texto-3: #94a3b8;
  --radio: 10px;
  --sombra: 0 1px 3px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  font-size: 14px;
}
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--navy); color: #cbd5e1;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar-logo { padding: 22px 18px 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sidebar-logo .marca { color: #fff; font-weight: 700; font-size: 15px; letter-spacing: .5px; }
.sidebar-logo .sub { font-size: 10.5px; color: #7c93ab; letter-spacing: 1.2px; text-transform: uppercase; margin-top: 2px; }
.sidebar nav { padding: 10px 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 0; border-radius: 8px;
  color: #b8c7d9; font-size: 13.5px; cursor: pointer;
}
.nav-item:hover { background: var(--navy-claro); color: #fff; text-decoration: none; }
.nav-item.activo { background: var(--azul); color: #fff; }
.nav-item .ico { width: 18px; text-align: center; font-size: 15px; }
.sidebar-user {
  padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 10px; font-size: 12.5px;
}
.sidebar-user .avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  background: var(--azul); color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.sidebar-user .nombre { color: #fff; }
.sidebar-user .rol { color: #7c93ab; font-size: 11px; }
.btn-salir { margin-left: auto; background: none; border: none; color: #7c93ab; cursor: pointer; font-size: 16px; }
.btn-salir:hover { color: #fff; }

.contenido { flex: 1; padding: 24px 28px; min-width: 0; }
.cabecera { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.cabecera h1 { font-size: 22px; margin: 0; display: flex; align-items: center; gap: 10px; }
.cabecera .acciones { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------- Tarjetas y KPIs ---------- */
.carta { background: var(--carta); border: 1px solid var(--borde); border-radius: var(--radio); box-shadow: var(--sombra); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { padding: 14px 16px; display: flex; gap: 12px; align-items: center; }
.kpi .icono {
  width: 40px; height: 40px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.kpi .etiqueta { font-size: 10.5px; text-transform: uppercase; letter-spacing: .6px; color: var(--texto-3); font-weight: 600; }
.kpi .valor { font-size: 21px; font-weight: 700; line-height: 1.2; }
.kpi .extra { font-size: 11.5px; color: var(--texto-2); }

/* ---------- Grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1100px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.seccion { padding: 16px 18px; }
.seccion h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--texto-2); margin: 0 0 12px; }
.seccion .pie { text-align: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--borde); font-size: 12.5px; }

/* ---------- Mapa de amarres ---------- */
.mapa { background: #10607a; border-radius: var(--radio); padding: 18px; }
.mapa-pantalan { margin-bottom: 14px; }
.mapa-pantalan:last-child { margin-bottom: 0; }
.mapa-pantalan .titulo { color: #bfdbfe; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 6px; font-weight: 600; }
.mapa-fila { display: flex; flex-wrap: wrap; gap: 6px; }
.plaza-tile {
  min-width: 62px; padding: 6px 8px; border-radius: 6px; cursor: pointer;
  color: #fff; font-size: 11px; font-weight: 700; text-align: center;
  border: 2px solid rgba(255,255,255,.85);
  transition: transform .08s;
}
.plaza-tile:hover { transform: scale(1.07); }
.plaza-tile .barco { display: block; font-weight: 400; font-size: 9.5px; opacity: .9; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 84px; }
.plaza-tile.libre { background: var(--verde); }
.plaza-tile.ocupada { background: var(--rojo); }
.plaza-tile.mantenimiento { background: var(--gris); color: #1f2937; }
.leyenda { display: flex; gap: 16px; align-items: center; font-size: 12px; color: var(--texto-2); }
.leyenda .item { display: flex; gap: 6px; align-items: center; }
.leyenda .cuadro { width: 12px; height: 12px; border-radius: 3px; }

/* ---------- Tablas ---------- */
.tabla-envoltura { overflow-x: auto; }
table.tabla { width: 100%; border-collapse: collapse; font-size: 13px; }
.tabla th {
  text-align: left; padding: 9px 12px; font-size: 10.5px; text-transform: uppercase;
  letter-spacing: .6px; color: var(--texto-3); border-bottom: 1px solid var(--borde);
  white-space: nowrap;
}
.tabla td { padding: 9px 12px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:last-child td { border-bottom: none; }
.tabla tbody tr:hover { background: #f8fafc; }
.tabla .num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla .acciones-fila { display: flex; gap: 6px; justify-content: flex-end; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-verde { background: var(--verde-suave); color: #166534; }
.badge-ambar { background: var(--ambar-suave); color: #92400e; }
.badge-rojo { background: var(--rojo-suave); color: #991b1b; }
.badge-gris { background: var(--gris-suave); color: #374151; }
.badge-azul { background: #dbeafe; color: #1e40af; }

/* ---------- Botones y formularios ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--borde);
  background: #fff; color: var(--texto); font-size: 13px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: #f8fafc; }
.btn-primario { background: var(--azul); border-color: var(--azul); color: #fff; }
.btn-primario:hover { background: var(--azul-oscuro); }
.btn-peligro { color: var(--rojo); border-color: #fecaca; }
.btn-peligro:hover { background: var(--rojo-suave); }
.btn-mini { padding: 4px 9px; font-size: 12px; border-radius: 6px; }
a.btn:hover { text-decoration: none; }

.campo { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.campo label { font-size: 11.5px; font-weight: 600; color: var(--texto-2); }
.campo input, .campo select, .campo textarea, .filtros input, .filtros select, select.btn {
  padding: 8px 10px; border: 1px solid var(--borde); border-radius: 8px;
  font-size: 13px; font-family: inherit; background: #fff; color: var(--texto);
}
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--azul); }
.fila-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.filtros { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }

/* ---------- Modal ---------- */
.modal-fondo {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto; padding: 20px 22px;
}
.modal h3 { margin: 0 0 16px; font-size: 16px; }
.modal .pie-modal { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ---------- Login ---------- */
.login-fondo {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--navy), #1e3a8a);
}
.login-carta { background: #fff; border-radius: 14px; padding: 34px 32px; width: 100%; max-width: 380px; }
.login-carta h1 { font-size: 20px; margin: 0 0 4px; }
.login-carta .sub { color: var(--texto-2); font-size: 13px; margin-bottom: 20px; }
.aviso-error { background: var(--rojo-suave); color: #991b1b; padding: 9px 12px; border-radius: 8px; font-size: 12.5px; margin-bottom: 12px; }
.aviso-demo { background: #eff6ff; color: #1e40af; padding: 9px 12px; border-radius: 8px; font-size: 12px; margin-top: 14px; }

/* ---------- Detalle ---------- */
.dato-linea { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0; border-bottom: 1px dashed var(--borde); font-size: 13px; }
.dato-linea .k { color: var(--texto-2); }
.dato-linea .v { font-weight: 600; text-align: right; }

.vacio { color: var(--texto-3); text-align: center; padding: 26px 10px; font-size: 13px; }
.migas { font-size: 12.5px; color: var(--texto-3); margin-bottom: 6px; }

/* ---------- Aviso de incidencias en el menú ---------- */
.chip-aviso {
  margin-left: auto; background: var(--rojo); color: #fff;
  border-radius: 999px; min-width: 19px; height: 19px; padding: 0 5px;
  font-size: 11px; font-weight: 700; align-items: center; justify-content: center;
  display: inline-flex;
}

/* ---------- Pestañas (sección Varadero) ---------- */
.pestanas { display: flex; gap: 4px; border-bottom: 2px solid var(--borde); margin-bottom: 16px; flex-wrap: wrap; }
.pestana {
  padding: 9px 16px; font-size: 13.5px; font-weight: 600; color: var(--texto-2);
  border: none; background: none; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.pestana.activa { color: var(--azul); border-bottom-color: var(--azul); }

/* ---------- WhatsApp ---------- */
.btn-whatsapp { background: #25d366; border-color: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #1faf54; }

/* ---------- Incidencias ---------- */
.mensaje-hilo { border: 1px solid var(--borde); border-radius: 10px; padding: 10px 14px; margin-bottom: 10px; background: #fff; }
.mensaje-hilo.admin { background: #eff6ff; border-color: #bfdbfe; }
.mensaje-hilo .cab-mensaje { font-size: 11.5px; color: var(--texto-3); margin-bottom: 4px; }
.mensaje-hilo .texto { font-size: 13.5px; white-space: pre-wrap; }
.fotos-incidencia { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.fotos-incidencia img { width: 110px; height: 82px; object-fit: cover; border-radius: 8px; border: 1px solid var(--borde); cursor: pointer; }

/* ---------- Aviso de cuota calculada ---------- */
.aviso-cuota { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.aviso-cuota b { font-size: 15px; }

/* ---------- Tarifas en configuración ---------- */
.fila-tarifa { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.fila-tarifa input { width: 110px; padding: 7px 9px; border: 1px solid var(--borde); border-radius: 8px; font-size: 13px; }

/* ---------- Operativa de empleado (pensada para el móvil) ---------- */
.buscador-grande {
  width: 100%; padding: 16px 18px; font-size: 17px; border: 2px solid var(--azul);
  border-radius: 12px; margin-bottom: 16px; font-family: inherit;
}
.buscador-grande:focus { outline: 3px solid #bfdbfe; }
.tarjeta-barco {
  background: #fff; border: 1px solid var(--borde); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--sombra);
}
.tarjeta-barco .nombre-barco { font-size: 19px; font-weight: 800; }
.tarjeta-barco .datos { color: var(--texto-2); font-size: 13.5px; margin: 4px 0 10px; }
.aviso-deuda-grande {
  background: var(--rojo); color: #fff; border-radius: 10px; padding: 12px 14px;
  font-weight: 800; font-size: 15px; text-align: center; margin-bottom: 10px;
}
.btn-grande {
  display: flex; width: 100%; justify-content: center; align-items: center; gap: 8px;
  padding: 16px; font-size: 16px; font-weight: 800; border-radius: 12px; cursor: pointer;
  border: none; color: #fff; letter-spacing: .3px;
}
.btn-salida { background: var(--azul); }
.btn-salida:active, .btn-salida:hover { background: var(--azul-oscuro); }
.btn-entrada { background: var(--verde); }
.btn-entrada:active, .btn-entrada:hover { background: #15803d; }
.btn-emergencia { background: var(--rojo); }
.btn-emergencia:active, .btn-emergencia:hover { background: #b91c1c; }

/* ---------- Barcos en el mar (con cronómetro) ---------- */
.tarjeta-mar {
  display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
  background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 12px; padding: 12px 14px; margin-bottom: 10px;
}
.tarjeta-mar .nombre { font-weight: 800; font-size: 15.5px; }
.crono { font-weight: 800; color: var(--azul-oscuro); font-variant-numeric: tabular-nums; font-size: 15px; white-space: nowrap; }
.tarjeta-mar .btn-grande { width: auto; padding: 12px 18px; }
@media (max-width: 560px) { .tarjeta-mar .btn-grande { width: 100%; } }

/* ---------- Firma con el dedo ---------- */
.canvas-firma { border: 2px dashed #94a3b8; border-radius: 10px; width: 100%; height: 150px; touch-action: none; background: #fff; display: block; }

/* ---------- Barra inferior móvil (empleados) ---------- */
.nav-movil { display: none; }

/* Responsive básico para el uso en móvil */
@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; flex-direction: row; align-items: center; flex-wrap: wrap; }
  .sidebar nav { display: flex; flex: 1; padding: 6px; overflow-x: auto; }
  .nav-item { white-space: nowrap; }
  .sidebar-logo { padding: 12px 14px; border-bottom: none; }
  .sidebar-user { border-top: none; margin-left: auto; }
  .contenido { padding: 14px; padding-bottom: 90px; }
  .nav-movil {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
    display: flex; background: var(--navy); box-shadow: 0 -2px 10px rgba(0,0,0,.25);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .nav-movil a {
    flex: 1; text-align: center; color: #cbd5e1; padding: 13px 4px 15px;
    font-size: 15px; font-weight: 800; text-decoration: none;
    display: flex; align-items: center; justify-content: center; gap: 7px;
  }
  .nav-movil a.activo { color: #fff; background: var(--azul); }
}

/* ---------- Gráficas ---------- */
.grafica-barras { width: 100%; }
.grafica-leyenda { display: flex; gap: 16px; font-size: 12px; color: var(--texto-2); margin-top: 8px; justify-content: center; }
.barra-progreso { width: 70px; height: 7px; background: #f1f5f9; border-radius: 4px; overflow: hidden; display: inline-block; vertical-align: middle; }
.barra-progreso > span { display: block; height: 100%; }