/* CSS Custom Properties */
:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252b3b;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-accent: #8ab4f8;
    --border-color: #3c4043;
    --success: #34a853;
    --warning: #fbbc04;
    --error: #ea4335;
    --info: #4285f4;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navigation */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--text-accent);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-accent);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
    padding-bottom: 2rem;
}

h2 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-accent);
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    min-width: 0;
    overflow: hidden;
}

.chart-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 300px;
    max-height: 300px;
    overflow: hidden;
}

.chart-card canvas {
    display: block;
    position: absolute !important;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    max-height: 300px !important;
}

/* Filter Panel */
.filter-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.filter-panel form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
    padding: 0.5rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-width: 150px;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.8;
}

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Table */
.data-table {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    border-collapse: collapse;
    overflow: hidden;
}

.data-table thead {
    background-color: var(--bg-tertiary);
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table code {
    background-color: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

/* Badges and Pills */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.badge-warning {
    background-color: var(--warning);
    color: #333;
}

.badge-error {
    background-color: var(--error);
    color: white;
}

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

.severity-pill {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
}

.severity-high {
    background-color: var(--error);
    color: white;
}

.severity-medium {
    background-color: var(--warning);
    color: #333;
}

.severity-low {
    background-color: #34a853;
    color: white;
}

.risk-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: capitalize;
}

.risk-high {
    background-color: var(--error);
    color: white;
}

.risk-medium {
    background-color: var(--warning);
    color: #333;
}

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

.risk-unknown {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Detail Page */
.detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
}

.metadata-card,
.content-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.metadata-card dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem 1rem;
}

.metadata-card dt {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.metadata-card dd {
    color: var(--text-primary);
}

.content-card blockquote {
    background-color: var(--bg-tertiary);
    border-left: 4px solid var(--text-accent);
    padding: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

.content-card a {
    color: var(--text-accent);
    word-break: break-all;
}

/* Utility Classes */
.loading,
.no-data,
.error {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.error {
    color: var(--error);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-panel form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group input,
    .filter-group select {
        width: 100%;
    }
    
    .data-table {
        display: block;
        overflow-x: auto;
    }
}