/* Variables CSS */
:root {
    --primary-color: #FF4506;
    --primary-hover: #E63D05;
    --primary-dark: #B33004;
    --secondary-color: #64748b;
    --success-color: #16a34a;
    --danger-color: #dc2626;
    --warning-color: #ea580c;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #ffffff 0%, #e5e7eb 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.login-box h1 {
    font-size: 28px;
    margin-bottom: 8px;
    text-align: center;
    color: var(--primary-color);
}

.login-box .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 20px;
    color: var(--primary-color);
}

.sidebar-header small {
    color: var(--text-muted);
    font-size: 12px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu li {
    margin-bottom: 4px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: #FFF5F2;
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.sidebar-menu a span:first-child {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: 12px;
    font-size: 16px;
    background-color: #e5e7eb;
    color: var(--text-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.sidebar-menu a:hover span:first-child,
.sidebar-menu a.active span:first-child {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

/* Secciones del menú */
.sidebar-menu .menu-section {
    margin-top: 20px;
    padding: 8px 20px;
    pointer-events: none;
}

.sidebar-menu .menu-section small {
    font-size: 11px;
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* Link de logout */
.sidebar-menu .logout-link {
    color: var(--danger-color);
    margin-top: 10px;
}

.sidebar-menu .logout-link:hover {
    background-color: #FEE2E2;
    color: var(--danger-color);
    border-right: 3px solid var(--danger-color);
}

.sidebar-menu .logout-link span:first-child {
    background-color: #FEE2E2;
    color: var(--danger-color);
}

.sidebar-menu .logout-link:hover span:first-child {
    background-color: var(--danger-color);
    color: white;
}

/* Logo del sidebar */
.sidebar-logo {
    max-width: 150px;
    height: auto;
    margin-bottom: 10px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.top-bar h1 {
    font-size: 28px;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info span {
    color: var(--text-muted);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-error {
    background-color: #fee2e2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-success {
    background-color: #d1fae5;
    border-color: var(--success-color);
    color: #065f46;
}

.alert-warning {
    background-color: #fed7aa;
    border-color: var(--warning-color);
    color: #9a3412;
}

.alert-info {
    background-color: #dbeafe;
    border-color: var(--primary-color);
    color: #1e40af;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* Color Picker */
.color-input-group {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.color-input-group input[type="color"] {
    width: 60px;
    height: 42px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
}

.color-input-group input[type="text"] {
    flex: 1;
}

/* Buttons - Diseño moderno */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: 3em;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 69, 6, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 69, 6, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(100, 116, 139, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(100, 116, 139, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #15803d 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-color);
    border-radius: 0 0 8px 8px;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-card.warning {
    border-left-color: var(--warning-color);
}

.stat-card.danger {
    border-left-color: var(--danger-color);
}

.stat-card .stat-label {
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
}

.stat-card .stat-icon {
    font-size: 40px;
    opacity: 0.2;
    float: right;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
}

table thead {
    background-color: var(--bg-color);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
}

table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

table tbody tr:hover {
    background-color: var(--bg-color);
}

table tbody tr:last-child td {
    border-bottom: none;
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 500;
}

.badge-simple {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-variable {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-warning {
    background-color: #fed7aa;
    color: #9a3412;
}

/* Stock Matrix */
.stock-matrix {
    overflow-x: auto;
}

.stock-matrix table {
    min-width: 600px;
}

.stock-matrix input[type="number"] {
    width: 80px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
}

.stock-matrix input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Color Swatch */
.color-swatch {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    vertical-align: middle;
    margin-right: 8px;
}

/* Category Tree */
.category-tree {
    list-style: none;
}

.category-tree li {
    margin: 8px 0;
}

.category-tree .category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 6px;
    margin-bottom: 4px;
}

.category-tree .category-item:hover {
    background: var(--border-color);
}

.category-tree .level-1 {
    margin-left: 20px;
}

.category-tree .level-2 {
    margin-left: 40px;
}

.category-tree .level-3 {
    margin-left: 60px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state svg {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.empty-state p {
    margin-bottom: 20px;
}

/* Utilities */
.text-muted {
    color: var(--text-muted);
}

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .dashboard {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Secciones de Configuración */
.config-section {
    margin-bottom: 50px;
}

.section-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.section-header h1 {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Estilos para el panel de configuración */
.token-box {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.token-value {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-top: 10px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    word-break: break-all;
}

.copy-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 3em;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(255, 69, 6, 0.3);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 69, 6, 0.4);
}

.copy-btn:active {
    transform: scale(0.97);
}

.warning-box {
    background: #fef3c7;
    border-left: 4px solid var(--warning-color);
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    color: #92400e;
}