* {
    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;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    text-align: center;
}

.header-stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    color: white;
    min-width: 120px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #4a5568;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}

.progress-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.progress-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.progress-label {
    min-width: 100px;
    font-weight: 600;
    color: #4a5568;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-value {
    min-width: 80px;
    text-align: right;
    font-weight: 600;
    color: #2d3748;
}

.chart-card {
    grid-column: span 2;
}

.chart-card canvas {
    max-height: 300px;
}

.activity-list, .achievements-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item, .achievement-item {
    padding: 12px;
    border-left: 4px solid #667eea;
    background: #f7fafc;
    margin-bottom: 10px;
    border-radius: 0 8px 8px 0;
    transition: background 0.2s ease;
}

.activity-item:hover, .achievement-item:hover {
    background: #edf2f7;
}

.activity-type, .achievement-name {
    font-weight: 600;
    color: #2d3748;
}

.activity-details, .achievement-description {
    font-size: 0.9rem;
    color: #718096;
    margin-top: 5px;
}

/* XP Breakdown Styles */
.xp-breakdown {
    max-height: 300px;
    overflow-y: auto;
}

.xp-source-item {
    padding: 15px;
    background: #f7fafc;
    margin-bottom: 12px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: background 0.2s ease;
}

.xp-source-item:hover {
    background: #edf2f7;
}

.xp-source-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.xp-source-icon {
    font-size: 1.2rem;
    margin-right: 8px;
}

.xp-source-name {
    font-weight: 600;
    color: #2d3748;
    flex: 1;
}

.xp-source-amount {
    font-weight: 700;
    color: #667eea;
    font-size: 1.1rem;
}

.xp-source-bar {
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.xp-source-progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.xp-source-percentage {
    font-size: 0.8rem;
    color: #718096;
    text-align: right;
}

.config-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.config-section h3 {
    color: #4a5568;
    margin-bottom: 10px;
}

.config-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.config-group label {
    min-width: 180px;
    font-weight: 500;
    color: #4a5568;
}

.config-group input {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
    width: 80px;
}

.config-group input:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.logs-card {
    grid-column: span 2;
}

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

.logs-controls select {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    background: white;
    font-size: 1rem;
}

.logs-container {
    background: #1a202c;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: 5px;
    padding: 2px 0;
}

.log-entry.error {
    color: #fed7d7;
    background: rgba(254, 178, 178, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.log-entry.warn {
    color: #faf089;
    background: rgba(250, 240, 137, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.log-entry.info {
    color: #90cdf4;
}

.log-entry.debug {
    color: #a0aec0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-card, .logs-card {
        grid-column: span 1;
    }
    
    .header-stats {
        gap: 15px;
    }
    
    .stat-card {
        min-width: 100px;
        padding: 15px;
    }
    
    .config-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .config-group label {
        min-width: auto;
    }
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s infinite;
}

/* Success/Error Messages */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin: 10px 0;
    font-weight: 500;
}

.message.success {
    background: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}

.message.error {
    background: #fed7d7;
    color: #742a2a;
    border: 1px solid #feb2b2;
}

/* Classification Styles */
.classification-card {
    grid-column: span 2;
}

.classification-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.classification-section h3 {
    color: #4a5568;
    margin-bottom: 15px;
    font-size: 1.2rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 8px;
}

.unclassified-list, .classifications-list {
    max-height: 300px;
    overflow-y: auto;
}

.unclassified-item, .classification-item {
    padding: 15px;
    background: #f7fafc;
    margin-bottom: 12px;
    border-radius: 8px;
    border-left: 4px solid #ed8936;
    transition: background 0.2s ease;
}

.classification-item {
    border-left-color: #48bb78;
}

.unclassified-item:hover, .classification-item:hover {
    background: #edf2f7;
}

.unclassified-header, .classification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.unclassified-name, .classification-app {
    font-weight: 600;
    color: #2d3748;
    flex: 1;
    min-width: 150px;
}

.unclassified-count, .unclassified-date {
    font-size: 0.9rem;
    color: #718096;
}

.classification-icon {
    font-size: 1.2rem;
    margin-right: 8px;
}

.classification-category {
    font-weight: 500;
    color: #48bb78;
    background: rgba(72, 187, 120, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.classification-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.category-select {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    background: white;
    font-size: 0.9rem;
    min-width: 180px;
    transition: border-color 0.2s ease;
}

.category-select:focus {
    outline: none;
    border-color: #667eea;
}

.btn-classify {
    padding: 8px 16px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}

.btn-classify:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.btn-delete {
    background: #e53e3e;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-delete:hover {
    background: #c53030;
    transform: scale(1.1);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}