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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.dashboard {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    opacity: 0.9;
    font-size: 1.2em;
}

.tabs {
    display: flex;
    background: #f8f9fa;
    padding: 10px;
    gap: 5px;
    flex-wrap: wrap;
}

.tab {
    flex: 1;
    padding: 12px 20px;
    border: none;
    background: white;
    cursor: pointer;
    border-radius: 8px;
    font-size: 0.95em;
    transition: all 0.3s ease;
    min-width: 150px;
}

.tab:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.tab.active {
    background: #3498db;
    color: white;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}

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

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

.stat-number {
    font-size: 2.5em;
    font-weight: bold;
    display: block;
    margin-top: 10px;
}

.goal-cards {
    display: grid;
    gap: 20px;
}

.goal-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 5px solid #ffc107;
}

.goal-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.progress-bar {
    background: #e9ecef;
    height: 20px;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress {
    background: linear-gradient(90deg, #28a745, #20c997);
    height: 100%;
    transition: width 0.5s ease;
}

.goal-status {
    font-weight: bold;
    color: #6c757d;
}

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

.woop-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    border-top: 5px solid #3498db;
}

.woop-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.woop-card p {
    color: #6c757d;
    line-height: 1.6;
}

.okr-cards {
    display: grid;
    gap: 20px;
}

.okr-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    border-left: 5px solid #dc3545;
}

.okr-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.kr-list {
    list-style: none;
    padding: 0;
}

.kr-list li {
    padding: 10px;
    margin: 5px 0;
    background: white;
    border-radius: 5px;
}

.timeline {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.timeline-item {
    display: flex;
    padding: 15px;
    border-bottom: 1px solid #dee2e6;
}

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

.time {
    font-weight: bold;
    color: #3498db;
    min-width: 80px;
}

.event {
    color: #2c3e50;
}

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

.resource-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border-top: 5px solid #28a745;
}

.resource-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
    margin-top: 30px;
}

footer p {
    margin: 5px 0;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
    }
    
    .tab {
        width: 100%;
    }
    
    header h1 {
        font-size: 1.8em;
    }
}