/* ========================================
   WiFi Cards Management System - Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --secondary-color: #06b6d4;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --purple-color: #8b5cf6;
    --orange-color: #f97316;
    --teal-color: #14b8a6;
    
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --sidebar-bg: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-active: #3b82f6;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --radius-lg: 12px;
    
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

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

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

/* Background Colors */
.bg-primary { background-color: var(--primary-color); }
.bg-success { background-color: var(--success-color); }
.bg-danger { background-color: var(--danger-color); }
.bg-warning { background-color: var(--warning-color); }
.bg-info { background-color: var(--info-color); }
.bg-purple { background-color: var(--purple-color); }
.bg-orange { background-color: var(--orange-color); }
.bg-teal { background-color: var(--teal-color); }

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 20px;
}

.login-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-logo h1 {
    font-size: 24px;
    color: var(--text-primary);
    font-weight: 700;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.login-form label i {
    margin-left: 8px;
    color: var(--primary-color);
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 10px;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.remember-me label {
    margin: 0 !important;
    cursor: pointer;
}

.error-message {
    color: var(--danger-color);
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

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

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

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

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

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

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

.btn-secondary {
    background-color: var(--text-muted);
    color: white;
}

.btn-block {
    width: 100%;
    padding: 14px;
    font-size: 16px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
}

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

/* App Layout */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    right: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header i {
    font-size: 32px;
    color: var(--primary-color);
}

.sidebar-header span {
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.sidebar.collapsed .sidebar-header span,
.sidebar.collapsed .sidebar-nav span,
.sidebar.collapsed .sidebar-footer .user-info div,
.sidebar.collapsed .submenu-icon {
    display: none;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
}

.sidebar-nav ul {
    padding: 0;
}

.sidebar-nav li {
    position: relative;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--sidebar-text);
    transition: var(--transition);
    position: relative;
}

.sidebar-nav a:hover,
.sidebar-nav li.active > a {
    color: white;
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-nav li.active > a::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
}

.sidebar-nav i {
    width: 24px;
    text-align: center;
    font-size: 18px;
}

.sidebar-nav .badge {
    margin-right: auto;
    background: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}

/* Submenu */
.has-submenu .submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
}

.has-submenu.open .submenu {
    max-height: 500px;
}

.has-submenu.open .submenu-icon {
    transform: rotate(-90deg);
}

.submenu a {
    padding-right: 52px;
    font-size: 14px;
}

.submenu-icon {
    margin-right: auto;
    transition: transform 0.3s ease;
    font-size: 12px !important;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info i {
    font-size: 36px;
    color: var(--sidebar-text);
}

.user-info span {
    display: block;
    color: white;
    font-weight: 500;
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-right: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition);
}

.sidebar.collapsed + .main-content {
    margin-right: 70px;
}

/* Header */
.header {
    background: var(--card-bg);
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-title {
    flex: 1;
}

.header-title h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

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

.header-actions .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
}

.header-actions .btn-icon {
    position: relative;
}

/* Content */
.content {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
}

/* Page */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h3 i {
    color: var(--primary-color);
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 20px;
}

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

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

.table th,
.table td {
    padding: 12px 15px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--bg-color);
}

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

.table .actions {
    display: flex;
    gap: 5px;
}

.table .actions .btn {
    padding: 6px 10px;
    font-size: 12px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-badge.inactive {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-muted);
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-badge.expired {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Search Box */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.filters select,
.filters input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 13px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2001;
    box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Notifications List */
.notifications-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition);
}

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

.notification-item:last-child {
    border-bottom: none;
}

.notification-item.unread {
    background: rgba(59, 130, 246, 0.05);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.notification-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.notification-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.notification-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.notification-content {
    flex: 1;
}

.notification-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.notification-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.notification-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* System Status */
.system-status {
    padding: 10px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.status-item span:first-child {
    width: 80px;
    font-weight: 500;
}

.progress-bar {
    flex: 1;
    height: 10px;
    background: var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.5s ease;
}

.status-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.status-info p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.status-info i {
    margin-left: 8px;
    color: var(--primary-color);
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-right: 4px solid var(--success-color);
}

.toast.error {
    border-right: 4px solid var(--danger-color);
}

.toast.warning {
    border-right: 4px solid var(--warning-color);
}

.toast.info {
    border-right: 4px solid var(--info-color);
}

.toast i {
    font-size: 20px;
}

.toast.success i {
    color: var(--success-color);
}

.toast.error i {
    color: var(--danger-color);
}

.toast.warning i {
    color: var(--warning-color);
}

.toast.info i {
    color: var(--info-color);
}

.toast-message {
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 64px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

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

.empty-state p {
    color: var(--text-secondary);
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading i {
    font-size: 32px;
    color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .filters {
        flex-direction: column;
    }
    
    .filters select,
    .filters input {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .login-container {
        padding: 30px 20px;
    }
    
    .content {
        padding: 15px;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .header,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}