/* ============================================================
   SwineFarm SaaS - Styles Principaux
   Design moderne, responsive, mobile-first
   ============================================================ */

/* Variables CSS - Theme Clair */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --info: #0891b2;
    --info-light: #cffafe;
    
    --bg-body: #f1f5f9;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-header: #ffffff;
    --bg-hover: #f8fafc;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --sidebar-width: 16rem;
    --sidebar-collapsed: 4rem;
    --header-height: 4rem;
    
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

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

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================================
   SKELETON LOADER
   ============================================================ */
.skeleton-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-body);
    z-index: 9999;
    display: flex;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.skeleton-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.skeleton-layout {
    display: flex;
    width: 100%;
    height: 100vh;
}

.skeleton-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    padding: 1.5rem;
    border-right: 1px solid var(--border);
}

.skeleton-main {
    flex: 1;
    padding: 1.5rem;
    overflow: hidden;
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.skeleton-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.skeleton-stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.skeleton-table {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.skeleton-row {
    height: 3rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius);
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--border) 25%,
        var(--border-light) 50%,
        var(--border) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-auth {
    max-width: 28rem;
    width: 100%;
    margin: auto;
    padding: 2rem;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition-slow);
}

.page-container {
    flex: 1;
    padding: 1.5rem;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition-slow);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand-icon {
    font-size: 1.75rem;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-label {
    display: block;
    padding: 0 0.75rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 0.125rem;
}

.nav-link i {
    width: 1.25rem;
    text-align: center;
    font-size: 1rem;
}

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

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-footer {
    padding: 1rem 0.75rem;
    border-top: 1px solid var(--border);
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    backdrop-filter: blur(2px);
}

/* ============================================================
   HEADER
   ============================================================ */
.top-header {
    position: sticky;
    top: 0;
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-sep {
    color: var(--text-muted);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Theme Toggle */
.theme-toggle, .theme-toggle-auth {
    background: none;
    border: 1px solid var(--border);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.theme-toggle-auth {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card);
    box-shadow: var(--shadow);
}

/* Notifications */
.notifications-dropdown {
    position: relative;
}

.notifications-btn {
    background: none;
    border: 1px solid var(--border);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
}

.notifications-btn:hover {
    background: var(--bg-hover);
}

.notifications-badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    width: 1.125rem;
    height: 1.125rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notifications-panel {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 22rem;
    max-height: 28rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: var(--transition);
    z-index: 200;
}

.notifications-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.notifications-header h4 {
    font-size: 0.9375rem;
    font-weight: 600;
}

.notifications-list {
    max-height: 22rem;
    overflow-y: auto;
    padding: 0.5rem;
}

.notifications-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-size: 0.875rem;
}

.notification-item {
    padding: 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.notification-item:hover {
    background: var(--bg-hover);
}

.notification-item.unread {
    background: var(--primary-light);
}

.notification-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.75rem;
}

.notification-icon.info { background: var(--info-light); color: var(--info); }
.notification-icon.warning { background: var(--warning-light); color: var(--warning); }
.notification-icon.danger { background: var(--danger-light); color: var(--danger); }
.notification-icon.success { background: var(--success-light); color: var(--success); }

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-content strong {
    display: block;
    font-size: 0.8125rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.notification-content p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.375rem 0.75rem 0.375rem 0.375rem;
    cursor: pointer;
    transition: var(--transition);
}

.user-btn:hover {
    background: var(--bg-hover);
}

.user-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8125rem;
    flex-shrink: 0;
}

.user-avatar.large {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.125rem;
}

.user-name {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 16rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: var(--transition);
    z-index: 200;
}

.user-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.user-menu-header strong {
    display: block;
    font-size: 0.875rem;
}

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

.user-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    transition: var(--transition);
}

.user-menu a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.menu-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}

.menu-logout {
    padding: 0.5rem;
}

/* ============================================================
   CARDS & STAT WIDGETS
   ============================================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-header h2, .card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.orange { background: var(--warning-light); color: var(--warning); }
.stat-icon.purple { background: #f3e8ff; color: #9333ea; }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }
.stat-icon.teal { background: var(--info-light); color: var(--info); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

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

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

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

.data-table thead th {
    text-align: left;
    padding: 0.875rem 1.25rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition);
}

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

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

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
}

.status-active { background: var(--success-light); color: var(--success); }
.status-inactive { background: var(--border); color: var(--text-secondary); }
.status-pending { background: var(--warning-light); color: var(--warning); }
.status-suspended { background: var(--danger-light); color: var(--danger); }
.status-completed { background: var(--success-light); color: var(--success); }
.status-failed { background: var(--danger-light); color: var(--danger); }
.status-refunded { background: var(--info-light); color: var(--info); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.form-label .required {
    color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 6rem;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* Search bar */
.search-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.search-bar .form-input {
    flex: 1;
    min-width: 200px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    font-family: inherit;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

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

.btn-success:hover {
    background: #15803d;
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.8125rem;
    cursor: pointer;
    font-weight: 500;
}

.btn-text:hover {
    text-decoration: underline;
}

.btn-text-danger {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 0.8125rem;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 1rem;
}

.btn-text-danger:hover {
    background: var(--danger-light);
    border-radius: var(--radius);
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-0.5rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid #bbf7d0;
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid #fecaca;
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid #fde68a;
}

.alert-info {
    background: var(--info-light);
    color: var(--info);
    border: 1px solid #a5f3fc;
}

.alert-close {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.6;
    color: inherit;
    line-height: 1;
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.625rem;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a {
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.pagination a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.pagination .current {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination .disabled {
    color: var(--text-muted);
    cursor: not-allowed;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================
   ADMIN
   ============================================================ */
.admin-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    color: white;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* ============================================================
   AUTH PAGES
   ============================================================ */
.auth-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-container {
    width: 100%;
    max-width: 28rem;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo .brand-icon {
    font-size: 3rem;
}

.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.auth-logo p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.auth-footer a {
    font-weight: 600;
}

/* Guest access form */
.guest-code-display {
    text-align: center;
    padding: 2rem;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--primary);
}

.guest-code {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--primary);
    letter-spacing: 0.15em;
    margin: 1rem 0;
}

/* ============================================================
   PRICING PLANS
   ============================================================ */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 72rem;
    margin: 0 auto;
}

.plan-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-slow);
    position: relative;
}

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

.plan-card.featured {
    border-color: var(--primary);
    transform: scale(1.02);
}

.plan-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.plan-badge-popular {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.375rem 1rem;
    border-radius: 0 0 var(--radius) var(--radius);
    text-transform: uppercase;
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin: 1rem 0;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
}

.plan-features li {
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.plan-features li i {
    color: var(--success);
    font-size: 0.75rem;
}

.plan-features li.missing {
    color: var(--text-muted);
    text-decoration: line-through;
}

.plan-features li.missing i {
    color: var(--text-muted);
}

/* ============================================================
   DETAIL VIEW
   ============================================================ */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1.5rem;
}

.detail-section {
    margin-bottom: 1.5rem;
}

.detail-section h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* Photo */
.pig-photo {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    object-fit: cover;
    border: 2px solid var(--border);
}

.pig-photo-placeholder {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    background: var(--bg-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    border: 2px solid var(--border);
}

/* ============================================================
   CHARTS CONTAINER
   ============================================================ */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container-sm {
    position: relative;
    height: 200px;
    width: 100%;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
        max-width: 24rem;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay.active {
        display: block;
    }
    
    .sidebar-close {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: flex;
    }
    
    .header-right .user-name {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .page-container {
        padding: 1rem;
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .search-bar .form-input {
        min-width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .form-row, .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .data-table {
        font-size: 0.8125rem;
    }
    
    .data-table thead th,
    .data-table tbody td {
        padding: 0.75rem 0.875rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .top-header {
        padding: 0 1rem;
    }
    
    .skeleton-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .skeleton-sidebar {
        display: none;
    }
    
    .notifications-panel {
        width: 18rem;
        right: -2rem;
    }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.w-full { width: 100%; }
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

/* Fade in animation */
.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Loading spinner */
.spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}