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

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --bg-primary: #F9FAFB;
    --bg-secondary: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --sidebar-width: 260px;
}

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

.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.logo {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.logo h2 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.version {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.nav-menu {
    flex: 1;
    padding: 20px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 4px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 0.95rem;
}

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

.nav-item.active {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    color: var(--primary-color);
    font-weight: 500;
}

.nav-item .icon {
    font-size: 1.25rem;
}

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

.wp-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.active {
    background: var(--secondary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 32px;
    max-width: calc(100vw - var(--sidebar-width));
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header-left h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.date-range {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #667eea20 0%, #764ba220 100%);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.1);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
}

.stat-content h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-unit {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.stat-change {
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-change.positive {
    color: var(--secondary-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

.stat-change.neutral {
    color: var(--text-secondary);
}

/* Charts Row */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.charts-row:last-child {
    grid-template-columns: 1fr 1fr 1fr;
}

.chart-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.chart-card canvas {
    width: 100% !important;
    max-width: 100%;
    display: block;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

.chart-filter {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Articles List */
.articles-container {
    max-height: 400px;
    overflow-y: auto;
}

.article-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.article-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.article-stats {
    display: flex;
    align-items: center;
    gap: 16px;
}

.seo-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    min-width: 60px;
}

.seo-score .score {
    font-size: 1.25rem;
    font-weight: 700;
}

.seo-score .label {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.seo-score.excellent {
    background: linear-gradient(135deg, #10B98120 0%, #059669020 100%);
    color: var(--secondary-color);
}

.seo-score.good {
    background: rgba(34, 197, 94, 0.1);
    color: #16A34A;
}

.seo-score.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.seo-score.poor {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

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

.btn-icon {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.btn-icon:hover {
    background: var(--bg-primary);
    transform: scale(1.1);
}

/* Language Chart */
#languageChart {
    max-height: 200px;
    margin-bottom: 20px;
}

.chart-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legend-item .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* Keywords */
.keywords-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.keyword-item {
    position: relative;
    display: grid;
    grid-template-columns: 30px 1fr auto;
    align-items: center;
    gap: 12px;
    padding-bottom: 12px;
}

.keyword-rank {
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.keyword-text {
    font-size: 0.95rem;
    font-weight: 500;
}

.keyword-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.keyword-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px;
}

/* Quick Actions */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.action-btn:hover {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.action-icon {
    font-size: 1.5rem;
}

/* Responsive */
@media (max-width: 1400px) {
    .charts-row:last-child {
        grid-template-columns: 1fr 1fr;
    }
    
    .chart-card.quick-actions {
        grid-column: span 2;
    }
}

@media (max-width: 1200px) {
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}