/* Reset et variables CSS */
:root {
    --primary-color: #3742fa;
    --primary-dark: #2c36c9;
    --secondary-color: #26de81;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --info-color: #00d2d3;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #e1e8ed;
    --sidebar-width: 280px;
    --header-height: 70px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--text-color);
    background-color: #f5f7fa;
    overflow-x: hidden;
    height: 100vh;
    margin: 0;
    padding: 0;
}

/* Dashboard Container */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    height: 100vh;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: white;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    transition: var(--transition);
    top: 0;
    left: 0;
    overflow-y: auto;
}

.sidebar-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: bold;
}

.logo span {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-color);
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    overflow-y: auto;
    padding: 20px 0;
}

.nav-menu ul {
    list-style: none;
}

.nav-item {
    margin: 2px 15px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--text-light);
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    gap: 12px;
}

.nav-link:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.nav-link.active {
    background-color: rgba(55, 66, 250, 0.1);
    color: var(--primary-color);
    font-weight: 500;
}

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

.nav-separator {
    height: 1px;
    background-color: var(--border-color);
    margin: 15px 25px;
}

/* Badges */
.badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    color: white;
    margin-left: auto;
}

.badge-hot {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff4757 100%);
}

.badge-new {
    background: linear-gradient(135deg, #26de81 0%, #0be881 100%);
}

.badge-blue {
    background: linear-gradient(135deg, #4834d4 0%, #3742fa 100%);
}

.badge-green {
    background: linear-gradient(135deg, #00d2d3 0%, #01a3a4 100%);
}

/* Logout Button */
.logout-btn {
    margin: 20px;
    padding: 12px 24px;
    background-color: #ff4757;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    text-decoration: none;
}

.logout-btn:hover {
    background-color: #ff3838;
    transform: translateY(-2px);
    color: white;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    height: 100vh;
    overflow-y: auto;
    background: #f5f7fa;
}

/* Header */
.header {
    height: var(--header-height);
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
}

.header-left h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 2px;
}

.header-left p {
    font-size: 14px;
    color: var(--text-light);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Search Box */
.search-box {
    position: relative;
    width: 300px;
}

.search-input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    font-size: 14px;
    transition: var(--transition);
}

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

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    width: 40px;
    height: 40px;
    border: none;
    background-color: #f8f9fa;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-light);
    transition: var(--transition);
    position: relative;
}

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

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 20px;
    border-left: 1px solid var(--border-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.user-name {
    font-weight: 600;
    color: var(--dark-color);
}

.user-role {
    font-size: 12px;
    color: var(--text-light);
}

/* Breadcrumb */
.breadcrumb {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    flex-shrink: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-separator {
    color: #cbd5e0;
}

/* Dashboard Content */
.dashboard-content {
    padding: 0 30px 30px;
    min-height: calc(100vh - 200px);
    padding-bottom: 100px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.page-content {
    padding: 0 30px 30px;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.kpi-card {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.kpi-header h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}

.kpi-menu {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
}

.kpi-trend.positive {
    color: var(--secondary-color);
}

.kpi-trend.negative {
    color: var(--danger-color);
}

.kpi-icon {
    position: absolute;
    right: 20px;
    bottom: 20px;
    font-size: 60px;
    color: #f0f4f8;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 30px;
    flex-shrink: 0;
}

.quick-actions h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.action-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.action-card {
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    text-decoration: none;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.action-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.action-card h3 {
    font-size: 18px;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.action-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 20px;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.chart-container {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--box-shadow);
}

.chart-container h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

#positionsChart {
    height: 300px !important;
}

/* Recent Articles */
.recent-articles {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--box-shadow);
}

.recent-articles h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.article-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: var(--transition);
}

.article-item:hover {
    border-color: var(--primary-color);
    background-color: #f8f9fa;
}

.article-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.article-info p {
    font-size: 12px;
    color: var(--text-light);
}

.article-stats {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.stat-badge {
    padding: 4px 10px;
    background-color: #f0f4f8;
    border-radius: 20px;
    font-size: 11px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-badge.success {
    background-color: rgba(38, 222, 129, 0.1);
    color: var(--secondary-color);
}

.stat-badge.warning {
    background-color: rgba(255, 165, 2, 0.1);
    color: var(--warning-color);
}

/* Notifications Section */
.notifications-section {
    background-color: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--box-shadow);
    flex: 1;
    min-height: 200px;
}

.notifications-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.notifications-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.notification-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    border-radius: 10px;
    background-color: #f8f9fa;
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.notification-item.success .notification-icon {
    background-color: rgba(38, 222, 129, 0.1);
    color: var(--secondary-color);
}

.notification-item.info .notification-icon {
    background-color: rgba(0, 210, 211, 0.1);
    color: var(--info-color);
}

.notification-item.warning .notification-icon {
    background-color: rgba(255, 165, 2, 0.1);
    color: var(--warning-color);
}

.notification-content {
    flex: 1;
}

.notification-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 5px;
}

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

.notification-time {
    font-size: 11px;
    color: #a0aec0;
}

.notification-action {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 12px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.notification-action:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.notification-item.critical .notification-icon {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* Responsive */
@media (max-width: 1200px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    .search-box {
        display: none;
    }
    
    .header {
        padding: 0 15px;
    }
    
    .dashboard-content {
        padding: 0 15px 30px;
        padding-bottom: 100px;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    
    .action-cards {
        grid-template-columns: 1fr;
    }
}