:root {
    --bg-dark: #0f172a;
    --sidebar-bg: #111827;
    --card-bg: #1e293b;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --table-header-bg: rgba(51, 65, 85, 0.5);
    --gradient-overlay: radial-gradient(circle at top right, rgba(59, 130, 246, 0.08), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.08), transparent 40%);
}

body.theme-celeste {
    --bg-dark: #f0f6fc;
    --sidebar-bg: #f8fbff;
    --card-bg: #ffffff;
    --accent-blue: #0ea5e9;
    --accent-purple: #6366f1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --bg-hover: rgba(14, 165, 233, 0.04);
    --table-header-bg: #f1f5f9;
    --gradient-overlay: radial-gradient(circle at top right, rgba(14, 165, 233, 0.06), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.06), transparent 40%);
}

body.theme-pink {
    --bg-dark: #fff6f8;
    --sidebar-bg: #fffafc;
    --card-bg: #ffffff;
    --accent-blue: #f43f5e;
    --accent-purple: #d946ef;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #fee2e2;
    --bg-hover: rgba(244, 63, 94, 0.04);
    --table-header-bg: #fef2f2;
    --gradient-overlay: radial-gradient(circle at top right, rgba(244, 63, 94, 0.06), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(217, 70, 239, 0.06), transparent 40%);
}

body {
    background-color: var(--bg-dark) !important;
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    overflow-x: hidden;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px; 
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    position: fixed;
    height: 100vh;
    z-index: 100;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.05);
    transition: background 0.3s ease;
}

.brand {
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.brand-logo-dark { display: block; }
.brand-logo-light { display: none; }

body.theme-celeste .brand-logo-dark, 
body.theme-pink .brand-logo-dark { display: none; }
body.theme-celeste .brand-logo-light,
body.theme-pink .brand-logo-light { display: block; }

.brand-tag {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15rem;
    color: var(--accent-blue);
    font-weight: 800;
    text-align: center;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.store-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    width: 100%;
    transition: all 0.2s ease;
}

body.theme-celeste .store-badge,
body.theme-pink .store-badge {
    background: rgba(0, 0, 0, 0.01);
}

.store-badge:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.05);
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.nav-links::-webkit-scrollbar {
    width: 4px;
}

.nav-links::-webkit-scrollbar-track {
    background: transparent;
}

.nav-links::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 20px;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-icon-box {
    width: 32px;
    height: 32px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0.85rem;
    border-radius: 0.75rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9375rem;
    font-weight: 500;
}

.nav-link:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link:hover .nav-icon-box {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.nav-link.active {
    background: linear-gradient(90deg, var(--bg-hover), transparent);
    color: var(--text-primary);
    font-weight: 700;
    border-left: 3px solid var(--accent-blue);
}

/* Global Modern Button Styles */
.btn-delete-ghost {
    background: rgba(239, 68, 68, 0.05);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.5rem 0.8rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}
.btn-delete-ghost:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
    transform: translateY(-2px);
}

.btn-cancel-modern {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-cancel-modern:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

/* Sidebar Slidable States */
.desktop-nav-toggle {
    position: absolute;
    top: -10px;
    right: -25px;
    background: var(--card-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 101;
    transition: all 0.2s;
    font-size: 0.8rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
@media (min-width: 993px) {
    .brand:hover .desktop-nav-toggle {
        display: flex;
    }
}
.desktop-nav-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.sidebar.collapsed {
    width: 80px;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}
.sidebar.collapsed .brand-tag,
.sidebar.collapsed .store-badge-text,
.sidebar.collapsed .nav-text,
.sidebar.collapsed .user-profile-text {
    display: none;
}
.sidebar.collapsed .brand-logo-dark,
.sidebar.collapsed .brand-logo-light {
    max-width: 40px !important;
}
.sidebar.collapsed .store-badge {
    justify-content: center;
    padding: 0.5rem;
    border: none;
    background: transparent;
}
.sidebar.collapsed .user-profile {
    justify-content: center;
}
.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 0.75rem 0;
}
.sidebar.collapsed .nav-icon-box {
    margin: 0;
}
.sidebar.collapsed .logout-link {
    text-align: center;
}
.sidebar.collapsed .logout-link i {
    font-size: 1.25rem;
}

.main-content {
    margin-left: 250px;
    flex-grow: 1;
    padding: 3rem 4rem; /* More generous horizontal padding */
    min-height: 100vh;
    background: var(--gradient-overlay) !important;
    background-color: var(--bg-dark) !important;
    transition: margin-left 0.3s ease;
}

.main-content.expanded {
    margin-left: 80px;
}

/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Tables */
.table-container {
    background-color: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    background-color: var(--table-header-bg);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

/* Badge Styles */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-received { background-color: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.badge-preparation { background-color: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-shipped { background-color: rgba(16, 185, 129, 0.2); color: #34d399; }

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

input, select, textarea {
    width: 100%;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 0.5rem;
    color: var(--text-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border: none;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-primary:hover {
    opacity: 0.9;
}

/* Responsive Utilities */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 10001;
    background: var(--accent-blue);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Media Queries */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 280px;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
        padding: 4rem 1rem 2rem 1rem !important;
    }

    .mobile-nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    header {
        flex-direction: column;
        align-items: stretch !important;
        gap: 1rem;
    }

    header div[style*="gap: 1rem"] {
        justify-content: space-between;
    }

    header input[placeholder="Buscar..."] {
        width: 100% !important;
    }

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

@media (max-width: 576px) {
    .filter-container {
        flex-direction: column;
        align-items: stretch !important;
    }

    .filter-container button {
        width: 100%;
        justify-content: center;
    }
}
@media (max-width: 576px) { [style*='padding: 2rem'] { padding: 1.25rem !important; } h1 { font-size: 1.25rem !important; } h2, h3 { font-size: 1rem !important; } }

.product-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: start; } @media (max-width: 768px) { .product-form-grid { grid-template-columns: 1fr; gap: 1rem; } .form-group { margin-bottom: 0.5rem !important; } }

.form-group label { display: block; min-height: 1.2rem; margin-bottom: 0.5rem; font-size: 0.875rem; color: var(--text-secondary); } .product-form-grid .form-group { align-self: start; }

@media (max-width: 768px) { .grid-col-mobile-1 { grid-column: span 2 !important; } .modern-form input, .modern-form select { font-size: 16px !important; } }

@media (max-width: 576px) { .action-buttons-container { flex-direction: column !important; } .action-buttons-container button { width: 100% !important; height: 50px !important; } h3 { font-size: 1rem !important; } }

/* Mercado Pago Selection Styles */
.animation-pulse {
    animation: pulse-blue 2s infinite;
}

@keyframes pulse-blue {
    0% { transform: scale(0.95); opacity: 0.7; }
    70% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.btn-outline-info.active {
    background-color: #009ee3 !important;
    border-color: #009ee3 !important;
    color: white !important;
    box-shadow: 0 0 15px rgba(0, 158, 227, 0.4);
}

.ts-mp-status-badge.pending {
    background: rgba(0, 158, 227, 0.1);
    color: #009ee3;
    border: 1px solid rgba(0, 158, 227, 0.3);
}