/* =========================================================
   SISTEMA POS - DISEÑO MODERNO
   Estilo: Purple Dashboard + Botones redondeados + Iconos minimalistas
   ========================================================= */

:root {
    /* Paleta de colores moderna - Inspirada en Purple */
    --color-primary: #7c3aed;
    --color-primary-dark: #6d28d9;
    --color-primary-light: #a78bfa;
    --color-primary-50: #f5f3ff;
    --color-primary-100: #ede9fe;
    --bg-topbar: #4a3056;
    --text-topbar: #ffffff;
    --text-topbar-soft: rgba(255, 255, 255, 0.8);
    
    /* Colores adicionales */
    --color-secondary: #64748b;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Fondos */
    --bg-app: #f5f7fa;
    --bg-card: #ffffff;
    --bg-sidebar: #1e293b;
    
    /* Textos */
    --text-main: #1e293b;
    --text-soft: #475569;
    --text-muted: #64748b;
    
    /* Bordes */
    --border-soft: #e2e8f0;
    --border-strong: #cbd5e1;
    
    /* Radios */
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-xs: 0 1px 2px rgba(15,23,42,.04);
    --shadow-sm: 0 2px 4px rgba(15,23,42,.05);
    --shadow: 0 4px 12px rgba(15,23,42,.08);
    --shadow-lg: 0 12px 24px rgba(15,23,42,.12);
    --shadow-xl: 0 20px 40px rgba(15,23,42,.15);
    
    /* Transiciones */
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-app);
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4, h5, h6 { 
    color: var(--text-main); 
    font-weight: 700; 
    letter-spacing: -.02em;
    margin-bottom: .5rem;
}

.text-muted { color: var(--text-muted) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }

input[type="text"], input[type="search"], textarea, select, .form-control, .form-select {
    text-transform: uppercase;
}

/* ===================== LAYOUT ===================== */
#wrapper { 
    display: flex; 
    min-height: 100vh;
    padding-top: 70px; /* Espacio para el navbar fijo */
}

#page-content-wrapper {
    flex: 1; 
    min-width: 0; 
    display: flex; 
    flex-direction: column;
    background: var(--bg-app); 
    min-height: calc(100vh - 70px);
    margin-left: 70px;
    transition: margin-left .3s ease;
}

main.app-content { 
    flex: 1; 
    padding: 32px 40px; 
}

@media (max-width: 768px) { 
    main.app-content { padding: 20px 16px; } 
}

/* ===================== SIDEBAR ESTILO PURPLE ===================== */
#sidebar-wrapper { 
    width: 60px; 
    min-height: calc(100vh - 70px);
    background: #ffffff;
    color: var(--text-main);
    display: flex; 
    flex-direction: column;
    transition: transform .3s ease, left .3s ease, opacity .2s ease;
    position: fixed;
    left: 0;
    top: 70px; /* Debajo del navbar */
    bottom: 0;
    z-index: 1030;
    box-shadow: 2px 0 12px rgba(0,0,0,.06);
    border-right: 1px solid var(--border-soft);
    overflow-y: auto;
    overflow-x: visible;
    transform: translateX(0);
    opacity: 1;
}

/* Ocultar completamente el logo del sidebar */
.sidebar-brand {
    display: none;
}

/* Ocultar todos los menús, solo mostrar iconos */
.sidebar-section,
.nav-item-link span:not(.nav-icon):not(.nav-label),
.sidebar-footer {
    display: none;
}

/* Espaciado uniforme de iconos */
.nav-item-link {
    justify-content: center;
    padding: 5px 2px;
    margin: 4px 0;
    border-left: none;
    display: flex;
    align-items: center;
    width: 100%;
    min-width: 0;
    position: relative;
}

.nav-item-link .nav-label {
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: #4a3056;
    color: #fff;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    box-shadow: 0 8px 20px rgba(0,0,0,0.18);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    z-index: 1200;
}

.nav-item-link:hover .nav-label,
.nav-item-link:focus-within .nav-label {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(2px);
}

.nav-item-link .nav-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: transparent;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
    flex-shrink: 0;
}

/* Quitar el padding px-3 de los iconos para que no se desborden */
.nav-item-link .nav-icon i {
    padding: 0 !important;
    margin: 0 !important;
}

.nav-item-link:hover .nav-icon {
    background: var(--color-primary-50);
    color: var(--color-primary);
}

.nav-item-link.active .nav-icon {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(124, 58, 237, .3);
}

.sidebar-footer {
    margin-top: auto; 
    padding: 16px 20px;
    border-top: 1px solid var(--border-soft);
    color: var(--text-muted); 
    font-size: .75rem;
}

/* ===================== RESPONSIVE SIDEBAR ===================== */
@media (max-width: 991px) {
    #sidebar-wrapper { 
        display: flex;
        position: fixed; 
        z-index: 1050;
        box-shadow: 4px 0 24px rgba(0,0,0,.15);
        width: 70px;
        left: 0;
        top: 70px;
        bottom: 0;
        transform: translateX(-110%);
        opacity: 0;
    }
    #sidebar-wrapper.sidebar-visible { 
        display: flex; 
        transform: translateX(0);
        opacity: 1;
    }
    #page-content-wrapper {
        margin-left: 0;
    }
    
    /* Overlay para cerrar el sidebar al hacer clic fuera */
    #sidebar-overlay {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 1045;
        opacity: 0;
        transition: opacity .25s ease;
    }
    #sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* Asegurar que los iconos se vean correctamente */
    .nav-item-link {
        padding: 14px 6px;
        justify-content: center;
    }
    .nav-item-link .nav-icon {
        width: 40px;
        height: 40px;
    }
}

/* ===================== TOPBAR ===================== */
#topbar {
    background: var(--bg-topbar);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 14px 28px; 
    position: fixed; 
    top: 0; 
    left: 0; 
    right: 0;
    z-index: 1040;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 70px;
    color: var(--text-topbar);
}

#topbar,
#topbar * {
    color: var(--text-topbar) !important;
}

.topbar-search { 
    position: relative; 
    max-width: 380px; 
    width: 100%; 
}

.topbar-search .form-control {
    background: var(--color-gray-100); 
    border: 1px solid transparent;
    border-radius: 12px; 
    padding: 10px 14px 10px 42px; 
    font-size: .9rem; 
    transition: var(--transition);
}

.topbar-search .form-control:focus {
    background: #fff; 
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, .1);
}

.topbar-search .search-icon {
    position: absolute; 
    left: 14px; 
    top: 50%; 
    transform: translateY(-50%);
    color: var(--text-muted); 
    font-size: .9rem;
}

.topbar-icon-btn {
    width: 40px; 
    height: 40px; 
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.18); 
    background: rgba(255,255,255,0.08); 
    color: var(--text-topbar);
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    transition: var(--transition); 
    position: relative;
}

.topbar-icon-btn:hover { 
    border-color: rgba(255,255,255,0.4); 
    color: #fff; 
    background: rgba(255,255,255,0.14);
    transform: translateY(-2px);
}

.topbar-icon-btn .notif-dot {
    position: absolute; 
    top: 8px; 
    right: 8px;
    width: 8px; 
    height: 8px; 
    background: var(--color-danger);
    border-radius: 50%; 
    border: 2px solid #fff;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

.user-avatar {
    width: 40px; 
    height: 40px; 
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    font-weight: 700; 
    font-size: .95rem; 
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(124, 58, 237, .3);
}

.user-info { line-height: 1.2; }
.user-info .user-name { 
    font-weight: 600; 
    color: var(--text-main); 
    font-size: .9rem; 
}
.user-info .user-role { 
    font-size: .75rem; 
    color: var(--text-muted); 
}

#sidebarToggle {
    background: transparent; 
    border: 1px solid var(--border-soft); 
    color: var(--text-soft);
    width: 40px; 
    height: 40px; 
    border-radius: 10px;
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    transition: var(--transition);
}

#sidebarToggle:hover { 
    color: var(--color-primary); 
    border-color: var(--color-primary); 
    background: var(--color-primary-50);
    transform: translateY(-2px);
}

/* ===================== PAGE HEADER ===================== */
.page-header { 
    display: flex; 
    flex-wrap: wrap; 
    align-items: center; 
    justify-content: space-between; 
    gap: 16px; 
    margin-bottom: 28px; 
}

.page-header .page-title {
    font-size: 1.6rem; 
    font-weight: 700; 
    color: var(--text-main);
    margin: 0 0 6px; 
    display: flex; 
    align-items: center; 
    gap: 14px;
}

.page-header .page-title .title-icon {
    width: 40px; 
    height: 40px; 
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 6px 16px rgba(124, 58, 237, .35);
}

.page-header .breadcrumb-trail {
    font-size: .85rem; 
    color: var(--text-muted);
    margin-bottom: 4px;
}

.page-header .breadcrumb-trail i {
    color: var(--color-primary);
}

/* ===================== CARDS ===================== */
.card {
    background: var(--bg-card); 
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-xs); 
    transition: var(--transition);
    margin-bottom: 24px;
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background: transparent; 
    border-bottom: 1px solid var(--border-soft);
    padding: 18px 24px; 
    font-weight: 600;
    display: flex; 
    align-items: center; 
    justify-content: space-between;
}

.card-body { padding: 24px; }
.card-title { 
    font-weight: 600; 
    color: var(--text-main); 
    margin-bottom: 16px; 
    font-size: 1.05rem;
}
.card-footer { 
    background: transparent; 
    border-top: 1px solid var(--border-soft); 
    padding: 16px 24px; 
}

/* Stat card con gradientes */
.stat-card {
    background: var(--bg-card); 
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg); 
    padding: 24px;
    display: flex; 
    align-items: center; 
    gap: 18px;
    box-shadow: var(--shadow-xs); 
    transition: var(--transition); 
    height: 100%;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    opacity: 0.1;
    transform: translate(30%, -30%);
}

.stat-card:hover { 
    transform: translateY(-4px); 
    box-shadow: var(--shadow-lg); 
}

.stat-card .stat-icon {
    width: 60px; 
    height: 60px; 
    border-radius: 16px;
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    font-size: 1.6rem; 
    color: #fff; 
    flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(0,0,0,.15);
}

.stat-card .stat-icon.bg-primary-grad { 
    background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%); 
}
.stat-card .stat-icon.bg-success-grad { 
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%); 
}
.stat-card .stat-icon.bg-warning-grad { 
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); 
}
.stat-card .stat-icon.bg-danger-grad { 
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%); 
}
.stat-card .stat-icon.bg-info-grad { 
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%); 
}
.stat-card .stat-icon.bg-dark-grad { 
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%); 
}

.stat-card .stat-label { 
    font-size: .8rem; 
    color: var(--text-muted); 
    text-transform: uppercase; 
    letter-spacing: .08em; 
    font-weight: 600; 
    margin-bottom: 4px;
}

.stat-card .stat-value { 
    font-size: 1.8rem; 
    font-weight: 700; 
    color: var(--text-main); 
    line-height: 1.1;
}

.stat-card .stat-trend { 
    font-size: .78rem; 
    color: var(--color-success); 
    font-weight: 600; 
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-card .stat-trend.down { color: var(--color-danger); }

/* ===================== TABLES ===================== */
.table-responsive { 
    border-radius: var(--radius-lg); 
    overflow: hidden;
}

.table {
    width: 100%; 
    margin-bottom: 0; 
    color: var(--text-main);
    border-collapse: separate; 
    border-spacing: 0; 
    background: #fff;
}

.table > thead { 
    background: var(--color-gray-50);
}

.table > thead th {
    color: var(--text-soft); 
    font-size: .75rem; 
    text-transform: uppercase;
    letter-spacing: .08em; 
    font-weight: 700; 
    padding: 14px 16px;
    border-bottom: 2px solid var(--border-soft); 
    white-space: nowrap; 
    text-align: left;
}

.table > tbody td {
    padding: 14px 16px; 
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle; 
    font-size: .92rem; 
    color: var(--text-main);
}

.table > tbody tr:last-child td { border-bottom: none; }
.table > tbody tr:hover { background: var(--color-gray-50); }
.table > tbody tr.table-active { background: var(--color-primary-50); }

.table-sm > thead th, .table-sm > tbody td { padding: 10px 12px; }

/* ===================== BADGES ===================== */
.badge {
    font-weight: 600; 
    padding: .45em .85em; 
    border-radius: var(--radius-full);
    font-size: .72rem; 
    letter-spacing: .02em;
    display: inline-flex; 
    align-items: center; 
    gap: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,.08);
}

.badge.bg-primary, .badge.bg-primary-soft { 
    background: var(--color-primary) !important; 
    color: #fff; 
}

.badge.bg-primary-soft { 
    background: var(--color-primary-50) !important; 
    color: var(--color-primary) !important; 
}

.badge.bg-success { 
    background: rgba(16, 185, 129, .12) !important; 
    color: #065f46 !important; 
}

.badge.bg-danger { 
    background: rgba(239, 68, 68, .12) !important; 
    color: #991b1b !important; 
}

.badge.bg-warning { 
    background: rgba(245, 158, 11, .15) !important; 
    color: #92400e !important; 
}

.badge.bg-info { 
    background: rgba(59, 130, 246, .12) !important; 
    color: #1e40af !important; 
}

.badge.bg-dark { 
    background: var(--color-gray-800) !important; 
    color: #fff !important; 
}

.badge.bg-secondary { 
    background: var(--color-gray-200) !important; 
    color: var(--text-main) !important; 
}

/* ===================== BUTTONS REDONDEADOS ===================== */
.btn {
    border-radius: 12px; 
    font-weight: 600; 
    font-size: .9rem;
    padding: .6rem 1.2rem; 
    transition: var(--transition);
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    gap: 8px; 
    border: 1px solid transparent; 
    line-height: 1.3;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,.12);
}

.btn:active {
    transform: translateY(0);
}

.btn-sm { 
    padding: .5rem .9rem; 
    font-size: .85rem; 
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.btn-lg { 
    padding: .85rem 1.6rem; 
    font-size: 1rem; 
    border-radius: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-color: var(--color-primary); 
    color: #fff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, .35);
}

.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    border-color: var(--color-primary-dark); 
    color: #fff;
    box-shadow: 0 8px 20px rgba(124, 58, 237, .45);
}

.btn-secondary { 
    background: var(--color-gray-100); 
    border-color: var(--border-soft); 
    color: var(--text-soft);
}

.btn-secondary:hover { 
    background: var(--color-gray-200); 
    color: var(--text-main); 
}

.btn-success { 
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    border-color: var(--color-success); 
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, .3);
}

.btn-success:hover { 
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    border-color: #059669; 
    color: #fff;
}

.btn-danger { 
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    border-color: var(--color-danger); 
    color: #fff;
    box-shadow: 0 4px 14px rgba(239, 68, 68, .3);
}

.btn-danger:hover { 
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    border-color: #dc2626; 
    color: #fff;
}

.btn-outline-primary { 
    background: #fff; 
    border: 2px solid var(--color-primary); 
    color: var(--color-primary);
    box-shadow: none;
}

.btn-outline-primary:hover { 
    background: var(--color-primary); 
    color: #fff; 
    border-color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(124, 58, 237, .3);
}

.btn-outline-secondary { 
    background: #fff; 
    border: 2px solid var(--border-strong); 
    color: var(--text-soft);
    box-shadow: none;
}

.btn-outline-secondary:hover { 
    background: var(--color-gray-100); 
    color: var(--text-main); 
    border-color: var(--color-gray-400);
}

.btn-outline-danger { 
    background: #fff; 
    border: 2px solid #fecaca; 
    color: var(--color-danger);
    box-shadow: none;
}

.btn-outline-danger:hover { 
    background: var(--color-danger); 
    color: #fff; 
    border-color: var(--color-danger);
}

.btn-outline-success { 
    background: #fff; 
    border: 2px solid #bbf7d0; 
    color: #059669;
    box-shadow: none;
}

.btn-outline-success:hover { 
    background: var(--color-success); 
    color: #fff; 
    border-color: var(--color-success);
}

.btn-ghost { 
    background: transparent; 
    color: var(--text-soft); 
    border-color: transparent;
    box-shadow: none;
}

.btn-ghost:hover { 
    background: var(--color-gray-100); 
    color: var(--text-main); 
}

.btn-icon { 
    width: 38px; 
    height: 38px; 
    padding: 0; 
    border-radius: 10px;
}

/* ===================== FORMS ===================== */
.form-label { 
    font-weight: 600; 
    color: var(--text-main); 
    font-size: .88rem; 
    margin-bottom: 8px;
}

.form-control, .form-select, textarea.form-control {
    border-radius: 12px; 
    border: 2px solid var(--border-soft);
    background: #fff; 
    padding: .65rem 1rem; 
    font-size: .92rem; 
    color: var(--text-main); 
    transition: var(--transition);
}

.form-control:focus, .form-select:focus, textarea.form-control:focus {
    border-color: var(--color-primary); 
    box-shadow: 0 0 0 4px rgba(124, 58, 237, .1); 
    background: #fff;
}

.form-control::placeholder { color: var(--color-gray-400); }

.input-group-text {
    background: var(--color-gray-100); 
    border: 2px solid var(--border-soft);
    color: var(--text-soft); 
    border-radius: 12px 0 0 12px; 
    font-size: .9rem;
    font-weight: 500;
}

.input-group .form-control { 
    border-radius: 0 12px 12px 0; 
}

.input-group .form-control:not(:last-child) { 
    border-top-right-radius: 0; 
    border-bottom-right-radius: 0; 
}

.input-group .form-control:not(:first-child) { 
    border-top-left-radius: 0; 
    border-bottom-left-radius: 0; 
}

.form-check-input { 
    width: 1.15em; 
    height: 1.15em; 
    border: 2px solid var(--border-strong); 
    border-radius: 6px; 
    cursor: pointer;
    transition: var(--transition);
}

.form-check-input:checked { 
    background-color: var(--color-primary); 
    border-color: var(--color-primary);
}

.form-check-input:focus { 
    box-shadow: 0 0 0 4px rgba(124, 58, 237, .15); 
}

.form-check-label { 
    color: var(--text-main); 
    font-size: .9rem; 
    cursor: pointer;
}

/* ===================== ALERTS ===================== */
.alert {
    border: 1px solid transparent; 
    border-radius: var(--radius-lg);
    padding: 16px 20px; 
    font-weight: 500; 
    font-size: .9rem;
    display: flex; 
    align-items: center; 
    gap: 12px;
    box-shadow: var(--shadow-sm);
}

.alert-success { 
    background: #ecfdf5; 
    border-color: #a7f3d0; 
    color: #065f46; 
}

.alert-danger { 
    background: #fef2f2; 
    border-color: #fecaca; 
    color: #991b1b; 
}

.alert-warning { 
    background: #fffbeb; 
    border-color: #fde68a; 
    color: #92400e; 
}

.alert-info { 
    background: #eff6ff; 
    border-color: #bfdbfe; 
    color: #1e40af; 
}

.alert .btn-close { font-size: .8rem; }

/* ===================== MODALS ===================== */
.modal-content { 
    border: none; 
    border-radius: var(--radius-xl); 
    box-shadow: var(--shadow-xl); 
    overflow: hidden;
}

.modal-header { 
    border-bottom: 1px solid var(--border-soft); 
    padding: 20px 24px; 
    background: var(--color-gray-50);
}

.modal-title { 
    font-weight: 700; 
    color: var(--text-main); 
    font-size: 1.15rem;
}

.modal-body { padding: 24px; }
.modal-footer { 
    border-top: 1px solid var(--border-soft); 
    padding: 16px 24px; 
    background: var(--color-gray-50);
}

/* ===================== LIST GROUPS ===================== */
.list-group-item { 
    border: 1px solid var(--border-soft); 
    padding: 12px 16px; 
    color: var(--text-main); 
    font-size: .92rem;
    transition: var(--transition);
}

.list-group-item:first-child { 
    border-top-left-radius: 12px; 
    border-top-right-radius: 12px; 
}

.list-group-item:last-child { 
    border-bottom-left-radius: 12px; 
    border-bottom-right-radius: 12px; 
}

.list-group-item-action:hover { 
    background: var(--color-primary-50); 
    color: var(--color-primary);
}

.list-group-item.active { 
    background: var(--color-primary); 
    border-color: var(--color-primary); 
    color: #fff;
}

/* ===================== ICONS (avatar style) ===================== */
.icon-avatar {
    width: 42px; 
    height: 42px; 
    border-radius: 12px;
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    color: #fff; 
    font-size: 1rem; 
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
}

.icon-avatar.sm { 
    width: 34px; 
    height: 34px; 
    font-size: .85rem; 
    border-radius: 10px; 
}

.icon-avatar.lg { 
    width: 58px; 
    height: 58px; 
    font-size: 1.5rem; 
    border-radius: 16px; 
}

.icon-avatar.bg-primary { 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); 
}

.icon-avatar.bg-success { 
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%); 
}

.icon-avatar.bg-warning { 
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); 
}

.icon-avatar.bg-danger { 
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%); 
}

.icon-avatar.bg-info { 
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%); 
}

.icon-avatar.bg-dark { 
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%); 
}

.icon-avatar.bg-purple { 
    background: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%); 
}

.icon-avatar.bg-pink { 
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%); 
}

/* ===================== EMPTY STATE ===================== */
.empty-state { 
    text-align: center; 
    padding: 48px 24px; 
    color: var(--text-muted); 
}

.empty-state .empty-icon {
    width: 90px; 
    height: 90px; 
    margin: 0 auto 20px; 
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
    color: var(--color-primary);
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: 2.2rem;
    box-shadow: 0 8px 24px rgba(124, 58, 237, .15);
}

.empty-state h5 { 
    color: var(--text-main); 
    margin-bottom: 8px; 
    font-size: 1.1rem;
}

.empty-state p { 
    color: var(--text-muted); 
    font-size: .9rem;
}

/* ===================== FEATURE CARDS ===================== */
.feature-card {
    background: var(--bg-card); 
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-xl); 
    padding: 24px;
    box-shadow: var(--shadow-xs); 
    transition: var(--transition);
    position: relative; 
    overflow: hidden;
}

.feature-card:hover { 
    box-shadow: var(--shadow-lg); 
    transform: translateY(-4px);
}

.feature-card .feature-icon {
    width: 52px; 
    height: 52px; 
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff; 
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    font-size: 1.3rem; 
    margin-bottom: 16px;
    box-shadow: 0 8px 20px rgba(124, 58, 237, .3);
}

.feature-card h6 { 
    font-weight: 700; 
    margin-bottom: 6px; 
    font-size: 1rem;
}

.feature-card p { 
    color: var(--text-muted); 
    font-size: .88rem; 
    margin-bottom: 0; 
}

/* ===================== UTIL ===================== */
.bg-app { background: var(--bg-app) !important; }
.bg-soft-primary { 
    background: var(--color-primary-50) !important; 
    color: var(--color-primary) !important; 
}

.fw-700 { font-weight: 700; }
.fs-7 { font-size: .88rem; }
.fs-8 { font-size: .8rem; }

.divider { 
    height: 1px; 
    background: var(--border-soft); 
    margin: 20px 0; 
}

.chip { 
    display: inline-flex; 
    align-items: center; 
    gap: 6px; 
    padding: 5px 12px; 
    border-radius: var(--radius-full); 
    background: var(--color-gray-100); 
    color: var(--text-soft); 
    font-size: .78rem; 
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
}

.chip-primary { 
    background: var(--color-primary-50); 
    color: var(--color-primary);
}

/* ===================== POS specific ===================== */
.cart-summary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff; 
    border-radius: var(--radius-lg); 
    padding: 20px 24px;
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    box-shadow: 0 8px 24px rgba(124, 58, 237, .35);
}

.cart-summary .total-amount { 
    font-size: 1.8rem; 
    font-weight: 700; 
}

.product-cell { 
    display: flex; 
    align-items: center; 
    gap: 12px; 
}

.product-cell .product-thumb {
    width: 40px; 
    height: 40px; 
    border-radius: 10px;
    background: var(--color-primary-50); 
    color: var(--color-primary);
    display: flex; 
    align-items: center; 
    justify-content: center; 
    font-size: .95rem;
    box-shadow: 0 2px 6px rgba(124, 58, 237, .15);
}

.product-cell .product-name { 
    font-weight: 600; 
    color: var(--text-main); 
    font-size: .95rem;
}

.product-cell .product-meta { 
    font-size: .8rem; 
    color: var(--text-muted); 
}

/* ===================== AUTH / LOGIN MODERNO ===================== */
.auth-shell {
    min-height: 100vh;
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 50%, #5b21b6 100%);
    display: flex; 
    align-items: center; 
    justify-content: center; 
    padding: 24px;
    position: relative; 
    overflow: hidden;
}

.auth-shell::before {
    content: ""; 
    position: absolute; 
    top: -200px; 
    right: -200px;
    width: 500px; 
    height: 500px; 
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    animation: float 20s infinite ease-in-out;
}

.auth-shell::after {
    content: ""; 
    position: absolute; 
    bottom: -200px; 
    left: -200px;
    width: 500px; 
    height: 500px; 
    border-radius: 50%;
    background: rgba(255,255,255,.06);
    animation: float 25s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.auth-card {
    background: #fff; 
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 80px rgba(0,0,0,.25);
    padding: 44px 40px; 
    max-width: 460px; 
    width: 100%; 
    position: relative; 
    z-index: 1;
    animation: slideUp .6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card .auth-logo {
    width: 72px; 
    height: 72px; 
    border-radius: 20px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff; 
    display: flex; 
    align-items: center; 
    justify-content: center;
    font-size: 2rem; 
    margin: 0 auto 24px;
    box-shadow: 0 12px 28px rgba(124, 58, 237, .45);
}

.auth-card h2 { 
    font-size: 1.6rem; 
    text-align: center; 
    margin-bottom: 6px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card .auth-sub { 
    text-align: center; 
    color: var(--text-muted); 
    margin-bottom: 32px; 
    font-size: .95rem;
}

.auth-card .form-control {
    border-radius: 12px;
    border: 2px solid var(--border-soft);
    padding: .75rem 1rem;
    font-size: .95rem;
}

.auth-card .input-group-text {
    background: var(--color-gray-100);
    border: 2px solid var(--border-soft);
    border-radius: 12px 0 0 12px;
    color: var(--text-soft);
}

.auth-card .btn-primary {
    padding: .75rem 1.5rem;
    font-size: 1rem;
    border-radius: 12px;
    margin-top: 8px;
}

/* ===================== ANIMATIONS ===================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fadeIn .4s ease-out;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 991px) {
    .page-header .page-title {
        font-size: 1.3rem;
    }
    
    .stat-card .stat-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .auth-card {
        padding: 32px 24px;
    }
    
    main.app-content {
        padding: 16px 12px;
    }
}

/* ===================== TEMA OSCURO ===================== */
html body.dark-mode,
html body.dark-mode * {
    background-color: transparent;
}

body.dark-mode {
    background: #684876 !important;
    color: #e8e0ec !important;
}

body.dark-mode * {
    color-scheme: dark;
}

body.dark-mode #topbar,
body.dark-mode nav#topbar,
body.dark-mode #topbar * {
    background: #4a3056 !important;
}

body.dark-mode #topbar {
    border-bottom: 1px solid rgba(255,255,255,0.1) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3) !important;
}

body.dark-mode #topbar > div > *,
body.dark-mode #topbar .fw-700,
body.dark-mode #topbar div,
body.dark-mode #topbar span,
body.dark-mode #topbar button,
body.dark-mode #topbar .user-name,
body.dark-mode #topbar .user-role {
    color: #ffffff !important;
}

body.dark-mode #topbar .text-muted,
body.dark-mode #topbar .text-secondary {
    color: rgba(255,255,255,0.8) !important;
}

body.dark-mode .form-label,
body.dark-mode label,
body.dark-mode .modal-title,
body.dark-mode .form-control,
body.dark-mode .form-select,
body.dark-mode textarea,
body.dark-mode input,
body.dark-mode select {
    color: #ffffff !important;
}

body.dark-mode .form-control,
body.dark-mode .form-select,
body.dark-mode textarea,
body.dark-mode input,
body.dark-mode select {
    background: #2d1d33 !important;
    border-color: rgba(255,255,255,0.2) !important;
}

body.dark-mode .form-control::placeholder,
body.dark-mode .form-select option,
body.dark-mode textarea::placeholder {
    color: rgba(255,255,255,0.7) !important;
}

body.dark-mode .form-select option {
    background: #2d1d33;
    color: #ffffff;
}

body.dark-mode #page-content-wrapper {
    background: #684876 !important;
}

body.dark-mode .topbar-icon-btn {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.15);
    color: #e8e0ec;
}

body.dark-mode .topbar-icon-btn:hover {
    background: #7c5d8c;
    border-color: #a78bfa;
    color: #fff;
}

body.dark-mode #sidebar-wrapper {
    background: #573a64;
    border-right: 1px solid rgba(255,255,255,0.1);
    box-shadow: 2px 0 12px rgba(0,0,0,0.3);
}

body.dark-mode #sidebar-wrapper .nav-item-link {
    color: #e8e0ec;
}

body.dark-mode #sidebar-wrapper .nav-item-link .nav-icon {
    color: #d5c7e0;
}

body.dark-mode #sidebar-wrapper .nav-item-link .nav-label {
    background: #2a1833;
    color: #fff;
}

body.dark-mode #sidebar-wrapper .nav-item-link:hover {
    background: #6c4d7c;
}

body.dark-mode #sidebar-wrapper .nav-item-link:hover .nav-icon {
    background: #7c5d8c;
    color: #fff;
}

body.dark-mode #sidebar-wrapper .nav-item-link.active {
    background: #7c3aed33;
    color: #fff;
}

body.dark-mode #sidebar-wrapper .nav-item-link.active .nav-icon {
    background: linear-gradient(135deg, #9d7bb8 0%, #7c5d8c 100%);
    color: #fff;
}

body.dark-mode .sidebar-section {
    color: #c9bcd4;
}

body.dark-mode .sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #c9bcd4;
}

body.dark-mode .card {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

body.dark-mode .card-header {
    background: #5d4070;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #f0eaf4;
}

body.dark-mode .card-body {
    color: #e8e0ec;
}

body.dark-mode .card-title,
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: #f0eaf4 !important;
}

body.dark-mode .card-title {
    color: #f0eaf4 !important;
}

body.dark-mode .page-header .page-title,
body.dark-mode .page-header h1,
body.dark-mode .page-header h2 {
    color: #f0eaf4 !important;
}

body.dark-mode .page-header .page-title .title-icon {
    background: linear-gradient(135deg, #9d7bb8 0%, #7c5d8c 100%);
    box-shadow: 0 6px 16px rgba(124, 58, 237, .5);
}

body.dark-mode .text-muted {
    color: #c9bcd4 !important;
}

body.dark-mode .text-main {
    color: #e8e0ec !important;
}

body.dark-mode .page-header .breadcrumb-trail {
    color: #c9bcd4;
}

body.dark-mode .table,
body.dark-mode .table-responsive .table,
body.dark-mode table,
body.dark-mode .table-responsive {
    background: #684876 !important;
    color: #e8e0ec !important;
}

body.dark-mode .table > thead,
body.dark-mode thead,
body.dark-mode .table thead {
    background: #6c4d7c !important;
}

body.dark-mode .table > thead th,
body.dark-mode thead th,
body.dark-mode .table thead th {
    color: #f0eaf4 !important;
    border-bottom: 2px solid rgba(255,255,255,0.15) !important;
    font-weight: 600;
}

body.dark-mode .table > tbody td,
body.dark-mode tbody td,
body.dark-mode .table tbody td {
    border-bottom: 1px solid rgba(255,255,255,0.08) !important;
    color: #e8e0ec !important;
}

body.dark-mode .table-striped > tbody > tr:nth-of-type(odd),
body.dark-mode .table-striped tbody tr {
    background-color: #684876 !important;
}

body.dark-mode .table > tbody tr:hover {
    background: #6c4d7c;
}

body.dark-mode .table > tbody tr.table-active {
    background: #7c3aed33;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background: #573a64;
    border: 2px solid rgba(255,255,255,0.15);
    color: #e8e0ec;
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    border-color: #a78bfa;
    background: #6c4d7c;
    color: #fff;
}

body.dark-mode .form-control::placeholder {
    color: #a99ab5;
}

body.dark-mode .input-group-text {
    background: #6c4d7c;
    border: 2px solid rgba(255,255,255,0.15);
    color: #e8e0ec;
}

body.dark-mode .modal-content {
    background: #573a64;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

body.dark-mode .modal-header {
    background: #5d4070;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

body.dark-mode .modal-footer {
    background: #5d4070;
    border-top: 1px solid rgba(255,255,255,0.1);
}

body.dark-mode .modal-title {
    color: #f0eaf4;
}

body.dark-mode .list-group-item {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.1);
    color: #e8e0ec;
}

body.dark-mode .list-group-item-action:hover {
    background: #6c4d7c;
}

body.dark-mode .btn-secondary {
    background: #6c4d7c;
    border-color: rgba(255,255,255,0.15);
    color: #e8e0ec;
}

body.dark-mode .btn-secondary:hover {
    background: #7c5d8c;
    color: #fff;
}

body.dark-mode .btn-outline-secondary {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.2);
    color: #e8e0ec;
}

body.dark-mode .btn-outline-secondary:hover {
    background: #6c4d7c;
    color: #fff;
}

body.dark-mode .alert {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.1);
}

body.dark-mode .empty-state {
    color: #c9bcd4;
}

body.dark-mode .empty-state .empty-icon {
    background: #6c4d7c;
    color: #e8e0ec;
}

body.dark-mode .badge.bg-secondary {
    background: #6c4d7c !important;
    color: #e8e0ec !important;
}

body.dark-mode .chip {
    background: #6c4d7c;
    color: #e8e0ec;
}

body.dark-mode .stat-card {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.1);
}

body.dark-mode .stat-card .stat-label {
    color: #c9bcd4;
}

body.dark-mode .stat-card .stat-value {
    color: #f0eaf4;
}

body.dark-mode #toast-container .toast-item {
    background: #573a64;
    color: #fff;
}

body.dark-mode .product-card {
    background: #573a64;
    border: 1px solid rgba(255,255,255,0.1);
}

body.dark-mode .product-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

body.dark-mode .product-card-name {
    color: #fff;
}

body.dark-mode .product-card-code {
    color: #c9bcd4;
}

body.dark-mode .product-card-price {
    color: #a78bfa;
}