:root {
  --fondo: #0f1115;
  --tarjeta: #1a1d24;
  --borde: #2a2e38;
  --texto: #e2e8f0;
  --texto-claro: #94a3b8;
  --acento: #2563eb;
  --verde: #16a34a;
  --rojo: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
}
.oculto { display: none !important; }

.login-caja {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-caja form {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 32px;
  width: 280px;
}
.login-caja h1 { font-size: 1.2rem; margin: 0 0 4px; }
.subtitulo { color: var(--texto-claro); font-size: 0.85rem; margin: 0 0 20px; }
.login-caja input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--fondo);
  color: var(--texto);
  font-size: 0.9rem;
}
.login-caja button {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--acento);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.error { color: var(--rojo); font-size: 0.82rem; min-height: 1.2em; }

.panel { max-width: 1000px; margin: 0 auto; padding: 30px 20px; }
.panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.panel h1 { font-size: 1.3rem; margin: 0; }
.header-acciones { display: flex; align-items: center; gap: 10px; }
.btn-secundario {
  background: none;
  border: 1px solid var(--borde);
  color: var(--texto-claro);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-icono {
  background: none;
  border: 1px solid var(--borde);
  color: var(--texto-claro);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.btn-icono:hover { color: var(--texto); border-color: var(--texto-claro); }

.grid-camaras {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.tarjeta-camara {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 18px;
}
.tarjeta-camara h3 { margin: 0 0 8px; font-size: 1rem; }
.estado {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.estado.online { background: rgba(22,163,74,0.15); color: var(--verde); }
.estado.offline { background: rgba(220,38,38,0.15); color: var(--rojo); }

.btn-reiniciar {
  width: 100%;
  padding: 9px;
  border-radius: 8px;
  border: 1px solid var(--acento);
  background: none;
  color: var(--acento);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-reiniciar:hover { background: var(--acento); color: #fff; }
.btn-reiniciar:disabled { opacity: 0.5; cursor: default; }

.mensaje { color: var(--texto-claro); grid-column: 1 / -1; }

.senal { font-size: 0.8rem; margin: 0 0 12px; }
.senal-buena { color: var(--verde); }
.senal-regular { color: #d97706; }
.senal-debil { color: var(--rojo); }
.senal-desconocida { color: var(--texto-claro); }

.acciones-camara { display: flex; gap: 8px; margin-top: 8px; }
.acciones-camara .btn-reiniciar { flex: 1; }
.btn-historial {
  flex: 1;
  padding: 9px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: none;
  color: var(--texto-claro);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-historial:hover { border-color: var(--texto-claro); color: var(--texto); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-caja {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 80vh;
  overflow-y: auto;
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.modal-header h2 { margin: 0; font-size: 1.05rem; }
.modal-lista { display: flex; flex-direction: column; gap: 10px; }
.fila-historial {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--borde);
  font-size: 0.85rem;
}
.fila-historial .fecha { color: var(--texto-claro); }

.subtitulo-seccion { font-size: 0.9rem; color: var(--texto-claro); margin: 20px 0 10px; }
#form-cambiar-clave, #form-nuevo-usuario {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#form-cambiar-clave input, #form-nuevo-usuario input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--fondo);
  color: var(--texto);
  font-size: 0.9rem;
}
.btn-primario {
  padding: 10px;
  border: none;
  border-radius: 8px;
  background: var(--acento);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.check-admin { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--texto-claro); }
.check-admin input { width: auto; }

.fila-usuario {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--borde);
  font-size: 0.88rem;
}
.fila-usuario .rol { color: var(--texto-claro); font-size: 0.78rem; }
.btn-quitar {
  background: none;
  border: none;
  color: var(--rojo);
  cursor: pointer;
  font-size: 0.8rem;
}

.pestanas { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 1px solid var(--borde); }
.pestana {
  background: none;
  border: none;
  color: var(--texto-claro);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.pestana.activa { color: var(--texto); border-bottom-color: var(--acento); }
.pestanas-modal { margin: 0 0 14px; }
.pestanas-modal .pestana { padding: 6px 10px; font-size: 0.82rem; }
.vista.oculto { display: none; }

.bloque-sitio { margin-bottom: 30px; }
.titulo-sitio { font-size: 1.05rem; margin: 0 0 4px; }
.subtitulo-sitio { color: var(--texto-claro); font-size: 0.8rem; margin: 0 0 14px; }

.grid-redes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.tarjeta-red {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 16px;
}
.nombre-red { font-weight: 700; margin: 0 0 10px; }
.fila-clave {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--fondo);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 10px;
  font-family: monospace;
}
.clave-oculta { color: var(--texto-claro); letter-spacing: 1px; word-break: break-all; }
.btn-ver-clave {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  flex-shrink: 0;
  margin-left: 8px;
}
.btn-cambiar-clave {
  width: 100%;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--acento);
  background: none;
  color: var(--acento);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.82rem;
}
.btn-cambiar-clave:hover { background: var(--acento); color: #fff; }

.aviso-riesgo {
  background: rgba(220,38,38,0.1);
  border: 1px solid rgba(220,38,38,0.3);
  color: var(--rojo);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.82rem;
  margin: 0 0 16px;
}
#form-clave-wifi { display: flex; flex-direction: column; gap: 10px; }
#form-clave-wifi input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--borde);
  background: var(--fondo);
  color: var(--texto);
  font-size: 0.9rem;
}