/* ==========================================
   VARIABLES GLOBALES
   ========================================== */
:root {
    --bg-main: linear-gradient(135deg, #e3edf7 0%, #cbdcf0 100%);
    --bg-card: rgba(255, 255, 255, 0.45);
    --bg-navbar: rgba(255, 255, 255, 0.3);
    --border-card: rgba(255, 255, 255, 0.5);
    --blur-effect: blur(20px);
    
    --text-primary: #1c1c1e;
    --text-secondary: #6e6e73;
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05);
    
    --accent-blue: #0071e3;
    --accent-green: #34c759;
    --accent-orange: #ff9500;
    --accent-red: #ff3b30;
    --accent-purple: #af52de;
    --accent-teal: #5ac8fa;
}

[data-theme="dark"] {
    --bg-main: linear-gradient(135deg, #0b0d14 0%, #1c1f2e 100%);
    --bg-card: rgba(30, 30, 45, 0.5);
    --bg-navbar: rgba(20, 20, 30, 0.45);
    --border-card: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f5f5f7;
    --text-secondary: #8e8e93;
    --shadow-card: 0 14px 40px rgba(0, 0, 0, 0.4);
}

/* ==========================================
   RESET Y BASE
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Bloquear selección en toda la página */
* {
    -webkit-user-select: none;  
    -moz-user-select: none;     
    -ms-user-select: none;      
    user-select: none;          
    -webkit-touch-callout: none; 
}

/* Permitir selección y copia solo en campos de texto */
input, textarea {
    -webkit-user-select: text !important; 
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
    -webkit-touch-callout: default !important; 
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    min-height: 100vh;
    overflow: auto; 
}

.app-container {
    display: flex;
    height: 100vh;
    padding: 15px;
    gap: 15px;
    width: 100%;
    max-width: 100vw;
    overflow: hidden; 
}

/* ==========================================
   BARRA LATERAL (SIDEBAR DE ACCESO)
   ========================================== */
.sidebar-ios {
    width: 260px;
    background: var(--bg-card);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    padding-left: 10px;
    width: 100%;
}

.brand i { color: var(--accent-blue); }

.btn-close-menu { display: none; } 

.menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 30px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 14px;
}

.menu-item i { font-size: 18px; width: 24px; }

.menu-item.active {
    background: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.25);
}

.menu-item:hover:not(.active) {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.menu-item.logout:hover {
    background: var(--accent-red);
    color: white;
}

.sidebar-footer {
    width: 100%;
    display: block;
}

/* ==========================================
   CONTENIDO Y NAVBAR
   ========================================== */
.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: 100%;
    width: 100%;
}

.navbar-ios {
    height: 65px;
    background: var(--bg-navbar);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border: 1px solid var(--border-card);
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-left { display: flex; align-items: center; gap: 10px; }
.toggle-menu-btn { display: none; } 

.nav-right { display: flex; align-items: center; gap: 15px; }

.btn-icon {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
}

.user-profile { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.user-profile img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }

.content-ios {
    flex-grow: 1;
    overflow-y: auto;
    padding-bottom: 10px;
}

/* Base de control del truncado del Comercio */
.nav-left h2 {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
    margin: 0;
    transition: max-width 0.2s ease, font-size 0.2s ease;
}

.btn-add-cart {
    background: rgba(0, 113, 227, 0.1);
    color: var(--accent-blue);
    border: none;
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s;
}

.btn-add-cart:hover {
    background: var(--accent-blue);
    color: white;
}

/* Botones de Autenticación de la Navbar */
.btn-nav-auth {
    width: auto !important;
    padding: 8px 14px !important;
    border-radius: 20px !important;
    font-size: 14px !important;
    margin: 0 !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

/* ==========================================
   DISEÑO GRIDS Y TARJETAS DE DASHBOARD
   ========================================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 15px;
}

.card-ios {
    background: var(--bg-card);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border: 1px solid var(--border-card);
    border-radius: 22px;
    box-shadow: var(--shadow-card);
    padding: 20px;
}

.card-metric {
    display: flex;
    align-items: center;
    gap: 20px;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    color: white;
}
.card-icon.blue { background: var(--accent-blue); }
.card-icon.green { background: var(--accent-green); }
.card-icon.orange { background: var(--accent-orange); }
.card-icon.red { background: var(--accent-red); }
.card-icon.purple { background: var(--accent-purple); }
.card-icon.teal { background: var(--accent-teal); }

.card-info h3 {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.highlight-card {
    border: 1.5px solid rgba(255, 149, 0, 0.4);
}

.time-stamp {
    font-size: 11px;
    color: var(--text-secondary);
    display: block;
    margin-top: 2px;
}

/* ==========================================
   MEDIA QUERIES COMPENSADOS (RESPONSIVO GENERAL)
   ========================================== */

/* Computadoras y Pantallas Grandes */
@media (min-width: 1024px) {
    .nav-left h2 {
        max-width: 500px; 
        font-size: 24px;
    }
}

/* Pantallas Medianas (Tablets) */
@media (min-width: 768px) and (max-width: 1023px) {
    .nav-left h2 {
        max-width: 350px; 
        font-size: 20px;
    }
}

/* Teléfonos Inteligentes y Dispositivos Móviles */
@media (max-width: 768px) {
    .app-container { padding: 10px; }
    
    .sidebar-ios {
        position: fixed;
        left: -280px;
        top: 15px;
        height: 87vh !important; 
        max-height: none !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        padding: 20px 15px !important;
        z-index: 100;
        transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .sidebar-ios.open {
        left: 10px;
    }
    
    .btn-close-menu {
        display: block;
        background: none;
        border: none;
        color: var(--text-secondary);
        font-size: 20px;
        margin-left: auto;
        cursor: pointer;
    }

    .toggle-menu-btn { display: flex; } 
    .user-name { display: none; } 

    .sidebar-overlay {
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(0,0,0,0.3);
        backdrop-filter: blur(4px);
        z-index: 99;
        display: none;
    }
    .sidebar-overlay.active { display: block; }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    /* Navegación del Menú interno del Sidebar */
    .menu {
        margin-top: 20px !important;
        gap: 6px !important;
        flex-grow: 1 !important;
        overflow-y: auto !important; 
        scrollbar-width: none;
    }
    
    .menu::-webkit-scrollbar {
        display: none;
    }

    /* Pie del Sidebar en Móviles */
    .sidebar-footer {
        margin-top: auto !important;
        padding-top: 15px !important;
        width: 100% !important;
        display: block !important;
    }

    .menu-item.logout {
        margin-bottom: 0 !important;
    }

    /* Truncado Estricto de Título en Teléfonos */
    .nav-left h2 {
        max-width: 150px; 
        font-size: 16px; 
    }
}












    /* ==========================================
       ESTILOS EXCLUSIVOS: MODAL NOTIFICACIÓN
       ========================================== */
    .btn-notificacion-modal-notificacion {
        position: relative;
        background: transparent;
        border: none;
        cursor: pointer;
    }

    .badge-modal-notificacion {
        position: absolute;
        top: -2px;
        right: -2px;
        background-color: var(--accent-red);
        color: #ffffff;
        font-size: 11px;
        font-weight: bold;
        border-radius: 50%;
        width: 16px;
        height: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .modal-overlay-modal-notificacion {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.15);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 2000;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .modal-overlay-modal-notificacion.active-modal-notificacion {
        opacity: 1;
        pointer-events: auto;
    }

    .modal-box-modal-notificacion {
        background: var(--bg-card);
        backdrop-filter: var(--blur-effect);
        -webkit-backdrop-filter: var(--blur-effect);
        border: 1px solid var(--border-card);
        box-shadow: var(--shadow-card);
        width: 90%;
        max-width: 440px;
        border-radius: 24px;
        padding: 20px;
        display: flex;
        flex-direction: column;
        max-height: 80vh;
        transform: scale(0.9);
        transition: transform 0.3s ease;
    }

    .modal-overlay-modal-notificacion.active-modal-notificacion .modal-box-modal-notificacion {
        transform: scale(1);
    }

    .modal-header-modal-notificacion {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 15px;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--border-card);
    }

    .modal-header-modal-notificacion h3 {
        margin: 0;
        font-size: 18px;
        color: var(--text-primary);
        font-weight: 600;
    }

    .btn-close-modal-notificacion {
        background: transparent;
        border: none;
        font-size: 18px;
        color: var(--text-secondary);
        cursor: pointer;
    }

    .modal-body-modal-notificacion {
        overflow-y: auto;
        flex-grow: 1;
        padding-right: 5px;
    }

    .modal-body-modal-notificacion::-webkit-scrollbar {
        width: 4px;
    }
    .modal-body-modal-notificacion::-webkit-scrollbar-thumb {
        background: var(--text-secondary);
        border-radius: 4px;
    }

    .item-modal-notificacion {
        background: rgba(255, 255, 255, 0.2);
        border: 1px solid var(--border-card);
        border-radius: 14px;
        padding: 12px;
        margin-bottom: 10px;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 10px;
        transition: background 0.2s ease;
    }

    [data-theme="dark"] .item-modal-notificacion {
        background: rgba(255, 255, 255, 0.03);
    }

    .item-modal-notificacion.leida-modal-notificacion {
        opacity: 0.5;
    }

    /* Iconos diferenciados por tipo */
    .icon-tipo-modal-notificacion {
        font-size: 16px;
        margin-top: 2px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .icon-sistema-modal-notificacion { color: var(--accent-purple); }
    .icon-factura-modal-notificacion { color: var(--accent-blue); }
    .icon-alerta-modal-notificacion { color: var(--accent-orange); }

    .info-modal-notificacion {
        flex-grow: 1;
    }

    .info-modal-notificacion p {
        margin: 0 0 4px 0;
        font-size: 14px;
        color: var(--text-primary);
        line-height: 1.3;
    }

    .info-modal-notificacion span {
        font-size: 11px;
        color: var(--text-secondary);
    }

    .acciones-modal-notificacion {
        display: flex;
        gap: 6px;
    }

    .btn-accion-modal-notificacion {
        border: none;
        background: transparent;
        cursor: pointer;
        font-size: 13px;
        padding: 6px;
        border-radius: 8px;
        transition: background 0.2s ease;
    }

    .btn-accion-modal-notificacion.check-modal-notificacion {
        color: var(--accent-green);
    }
    .btn-accion-modal-notificacion.trash-modal-notificacion {
        color: var(--accent-red);
    }

    .btn-accion-modal-notificacion:hover {
        background: rgba(0, 0, 0, 0.05);
    }
    [data-theme="dark"] .btn-accion-modal-notificacion:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .modal-footer-modal-notificacion {
        margin-top: 15px;
        text-align: center;
        padding-top: 10px;
        border-top: 1px solid var(--border-card);
    }

    .link-all-modal-notificacion {
        font-size: 14px;
        color: var(--accent-blue);
        text-decoration: none;
        font-weight: 600;
        display: inline-block;
        transition: opacity 0.2s ease;
    }

    .link-all-modal-notificacion:hover {
        opacity: 0.8;
    }