/* ==========================================================================
   1. VARIABLES GLOBALES (Design Tokens)
   ========================================================================== */
:root {
    /* Paleta de Colores Principal */
    --bg-dark: #0f172a;           /* Fondo principal de la app */
    --bg-card: #1e293b;           /* Fondo de paneles y tarjetas */
    --bg-card-hover: #334155;     /* Hover en elementos interactivos */
    
    /* Colores de Marca y Estados */
    --primary: #2563eb;          /* Azul primario (GPS) */
    --primary-hover: #1d4ed8;
    --success: #10b981;          /* Verde (Conectado / Ok) */
    --success-hover: #059669;
    --warning: #f59e0b;          /* Naranja (Alertas) */
    --danger: #ef4444;           /* Rojo (Eliminar / Pánico / Alarma) */
    --danger-hover: #dc2626;

    /* Tipografía y Textos */
    --text-main: #f8fafc;         /* Blanco primario */
    --text-muted: #94a3b8;        /* Gris secundario */
    --border-color: #334155;      /* Bordes sutiles */
    
    /* Estructura y Sombras */
    --radius-sm: 6px;
    --radius-md: 10px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 72px;
}

/* ==========================================================================
   2. RESETS Y BASE (Fijados para evitar scroll infinito global)
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

html, body {
    height: 100vh;
    max-height: 100vh;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden; /* Elimina y bloquea cualquier scroll a nivel de ventana global */
}

/* ==========================================================================
   3. LAYOUT PRINCIPAL (Sidebar + Main Content)
   ========================================================================== */
.app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    position: relative; /* Evita desbordamientos globales */
}

/* Sidebar Lateral */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: width 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.logo-icon {
    font-size: 1.8rem;
    min-width: 32px;
    text-align: center;
}

.logo-text {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

/* Botón de alternar barra lateral */
.btn-toggle-sidebar {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s, color 0.2s, transform 0.3s ease;
}

.btn-toggle-sidebar:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
}

.sidebar-nav {
    padding: 20px 10px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.nav-item .icon {
    font-size: 1.1rem;
    min-width: 24px;
    text-align: center;
}

.nav-item:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
}

.nav-item.active {
    background-color: var(--primary);
    color: #ffffff;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
    white-space: nowrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    min-width: 36px;
}

.user-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 600;
    text-overflow: ellipsis;
    overflow: hidden;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-icon-logout {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.2rem;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

.btn-icon-logout:hover {
    background-color: var(--bg-card-hover);
    color: var(--danger);
}


/* ==========================================================================
   ESTADO COLAPSADO DE LA SIDEBAR Y ADAPTACIÓN DEL CONTENIDO
   ========================================================================== */
.sidebar.collapsed {
    width: var(--sidebar-width-collapsed);
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-item span:not(.icon),
.sidebar.collapsed .user-details,
.sidebar.collapsed .sidebar-divider,
.sidebar.collapsed .form-label-muted {
    display: none !important;
}

.sidebar.collapsed .btn-toggle-sidebar {
    transform: rotate(180deg);
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 20px 10px;
}

.sidebar.collapsed .sidebar-brand {
    justify-content: center;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

.sidebar.collapsed .sidebar-footer {
    justify-content: center;
    padding: 16px 10px;
}

.sidebar.collapsed .btn-icon-logout {
    display: none;
}

/* Área de Contenido Principal (Scroll interno controlado y estricto) */
.main-content {
    margin-left: var(--sidebar-width);
    height: 100vh;
    max-height: 100vh;
    flex-grow: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: calc(100% - var(--sidebar-width));
    overflow-y: auto;   /* El scroll ocurre exclusivamente aquí de forma limpia */
    overflow-x: hidden;
    box-sizing: border-box;
    transition: margin-left 0.3s ease, width 0.3s ease;
}

/* Si el sidebar está contraído, el contenido principal ocupa el espacio restante */
#appSidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-width-collapsed);
    width: calc(100% - var(--sidebar-width-collapsed));
}


/* ==========================================================================
   4. TARJETAS DE MÉTRICAS (KPIs)
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background-color: rgba(255, 255, 255, 0.05);
}

.kpi-data {
    display: flex;
    flex-direction: column;
}

.kpi-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-main);
    margin-top: 2px;
}

/* ==========================================================================
   5. ESPACIO DE TRABAJO (Panel Central + Columna Derecha)
   ========================================================================== */
.workspace-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 20px;
}

@media (max-width: 1200px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

.panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.panel-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

/* ==========================================================================
   6. PESTAÑAS (TABS) Y FORMULARIOS COMPACTOS
   ========================================================================== */
.tab-buttons {
    display: flex;
    gap: 6px;
}

.btn-tab {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-tab:hover {
    background-color: var(--bg-card-hover);
    color: var(--text-main);
}

.btn-tab.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

/* Formularios */
.form-compact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-compact input,
.form-compact select,
#filtro-cliente {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-compact input:focus,
.form-compact select:focus,
#filtro-cliente:focus {
    border-color: var(--primary);
}

/* ==========================================================================
   7. BOTONES REUTILIZABLES
   ========================================================================== */
.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-success {
    background-color: var(--success);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-success:hover {
    background-color: var(--success-hover);
}

.btn-danger-sm {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-danger-sm:hover {
    background-color: var(--danger);
    color: white;
}

/* ==========================================================================
   8. TABLAS DE INVENTARIO Y DATOS
   ========================================================================== */
.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.data-table th {
    background-color: var(--bg-dark);
    color: var(--text-muted);
    padding: 12px 16px;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Elementos Visuales Secundarios */
.badge-patente {
    background-color: #000;
    color: #fff;
    border: 1px solid #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: bold;
    font-size: 0.85rem;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.status-dot.online {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

code {
    background-color: var(--bg-dark);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--warning);
    font-family: monospace;
}

/* ==========================================================================
   9. COMPONENTES DINÁMICOS Y UTILIDADES DE FORMULARIO
   ========================================================================== */
.sensor-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 6px;
}

.select-pin {
    width: 35%;
    padding: 4px;
    font-size: 0.8rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    outline: none;
}

.input-sensor-nombre {
    width: 55%;
    margin: 0;
    padding: 4px;
    font-size: 0.8rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: var(--radius-sm);
    outline: none;
}

.btn-remover-sensor {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger);
    border: none;
    border-radius: 4px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background 0.2s;
}

.btn-remover-sensor:hover {
    background: rgba(220, 53, 69, 0.4);
}

/* Clases auxiliares para limpiar el admin.html */
.sidebar-divider { border: 0; border-top: 1px solid var(--border-color); margin: 15px 0; }
.select-filtro-header { width: auto; padding: 4px 8px; margin: 0; }
.mapa-gps-contenedor { height: 480px; width: 100%; border-radius: 8px; }

.tab-buttons-alarma { display: flex; gap: 10px; margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.alarmas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 15px; margin-bottom: 20px; }

.panel-alarma-card { background-color: var(--bg-dark); padding: 15px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); display: flex; flex-direction: column; gap: 12px; }
.panel-alarma-header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.panel-alarma-titulo { font-size: 1rem; margin: 0; color: var(--text-main); }
.panel-alarma-imei { font-family: monospace; font-size: 0.75rem; color: var(--text-muted); }
.panel-alarma-empresa { font-size: 0.75rem; color: var(--primary-color); }
.badge-estado-armado { background: rgba(40, 167, 69, 0.15); color: var(--success); padding: 2px 6px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }

.sensores-wrapper { }
.sensores-label { font-size: 0.75rem; color: var(--text-muted); display: block; margin-bottom: 6px; text-transform: uppercase; font-weight: bold; }
.sensores-lista { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; max-height: 130px; overflow-y: auto; }
.sensor-item { display: flex; justify-content: space-between; padding: 5px 8px; background: rgba(255,255,255,0.02); border-radius: 4px; align-items: center; font-size: 0.8rem; }
.sensor-nombre { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 65%; }
.sensor-nombre small { color: var(--text-muted); }
.sensor-estado.disparado { color: var(--danger); font-weight: bold; font-size: 0.75rem; }
.sensor-estado.normal { color: var(--success); font-weight: bold; font-size: 0.75rem; }
.sensor-vacio { text-align: center; color: var(--text-muted); font-size: 0.8rem; padding: 6px; }

.panel-acciones { display: flex; gap: 8px; margin-top: auto; padding-top: 5px; }
.sin-alarmas-msg { grid-column: 1 / -1; text-align: center; color: var(--text-muted); padding: 20px; background: var(--bg-dark); border-radius: var(--radius-sm); }
.subtitulo-seccion { font-size: 0.9rem; margin-bottom: 8px; color: var(--text-main); }
.evento-inmueble { color: var(--text-muted); font-size: 0.75rem; }
.evento-estado.alerta-roja { color: var(--danger); font-weight: 500; }
.evento-estado.alerta-verde { color: var(--success); font-weight: 500; }
.tabla-vacia { text-align: center; color: var(--text-muted); padding: 10px; }
.camaras-placeholder { padding: 20px; text-align: center; color: var(--text-muted); }

.admin-tabs { display: flex; gap: 5px; margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; }
.form-modulos-box { margin: 10px 0; background: var(--bg-dark); padding: 10px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
.form-label-muted { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 8px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; margin-bottom: 4px; }
.btn-full { width: 100%; margin-top: 5px; }
.btn-sm { flex: 1; font-size: 0.75rem; padding: 5px; }
.btn-xs { font-size: 0.7rem; padding: 2px 6px; }

.form-divider { border: 0; border-top: 1px solid var(--border-color); margin: 10px 0; }
.sensor-header-container { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.sensores-dinamicos-wrapper { display: flex; flex-direction: column; gap: 6px; max-height: 160px; overflow-y: auto; margin-bottom: 10px; }


/* ==========================================================================
   10. BLOQUES DEL USUARIO
   ========================================================================== */
.mapa-usuario-contenedor { height: 500px; width: 100%; border-radius: 8px; }
.client-avatar { background-color: var(--success); }
.client-alarm-view { padding: 15px; }
.client-tab-buttons { display: flex; gap: 10px; margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 8px; }
.client-alarm-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 15px; margin-bottom: 20px; }
.client-subpanel { background-color: var(--bg-dark); padding: 15px; border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
.flex-column-between { display: flex; flex-direction: column; justify-content: space-between; }
.search-input { width: 100%; margin-bottom: 15px; }
.vehiculos-rapidos-list { display: flex; flex-direction: column; gap: 8px; max-height: 400px; overflow-y: auto; }
.unidad-card { background: var(--bg-dark); padding: 10px; border-radius: 6px; border: 1px solid var(--border-color); cursor: pointer; }
.unidad-card-header { display: flex; justify-content: space-between; align-items: center; }
.unidad-card-footer { display: flex; justify-content: space-between; margin-top: 5px; font-size: 0.8rem; color: var(--text-muted); }
.panel-full-height { height: 100%; }
.panel-mt { margin-top: 10px; }
.sensores-lista-cliente { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; font-size: 0.8rem; }
.sensor-row-cliente {gap: 6px; display: flex; justify-content: space-between; padding: 6px; background: rgba(255,255,255,0.02); border-radius: 4px; }
.panic-btn-wrapper { margin-top: 10px; }

/* ==========================================================================
   11. ALERTAS FLASH (TOASTS)
   ========================================================================== */
.flash-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
}

.flash-toast {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    animation: slideInRight 0.3s ease forwards;
}

.flash-toast.success, .flash-toast.ok {
    border-left: 4px solid var(--success);
}

.flash-toast.error, .flash-toast.danger {
    border-left: 4px solid var(--danger);
}

.flash-toast.warning {
    border-left: 4px solid var(--warning);
}

.flash-icon {
    font-size: 1.2rem;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================================================
   12. PANTALLA DE LOGIN
   ========================================================================== */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background-color: var(--bg-dark);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 25px;
}

.login-header h2 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-top: 8px;
}

.login-header p {
    font-size: 0.85rem;
    margin-top: 4px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}