:root {
    --bg-primary: #2d3748;
    --bg-secondary: #4a5568;
    --bg-card: #718096;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --accent-blue: #5a67d8;
    --accent-blue-light: #667eea;
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
}

.dashboard-card {
    background: rgba(113, 128, 150, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.nav-tab {
    background: rgba(90, 103, 216, 0.1);
    border: 1px solid rgba(90, 103, 216, 0.3);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-tab.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue-light);
    color: white;
}

.nav-tab:hover {
    background: rgba(90, 103, 216, 0.2);
}

.metric-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.metric-number {
    font-size: 2rem;
    font-weight: bold;
    color: #60a5fa;
}

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

.btn-primary {
    background: var(--accent-blue);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-primary:hover {
    background: var(--accent-blue-light);
}

.btn-secondary {
    background: rgba(34, 197, 94, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(34, 197, 94, 1);
}

.ranking-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ranking-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.emergency-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 4px solid var(--accent-blue);
}

.emergency-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.emergency-item.high {
    border-left-color: #ef4444;
}

.emergency-item.medium {
    border-left-color: #f59e0b;
}

.emergency-item.low {
    border-left-color: #10b981;
}

.drill-down-level {
    margin-left: 1rem;
    margin-top: 0.5rem;
    display: none;
}

.drill-down-level.show {
    display: block;
}

.question-detail {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    padding: 0.75rem;
    margin: 0.25rem 0;
    border-left: 3px solid var(--accent-blue);
}

.chart-container {
    position: relative;
    height: 400px;
    margin: 1rem 0;
}

.table-container {
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
}

th {
    background: rgba(255, 255, 255, 0.1);
    font-weight: 600;
}

.filter-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 0.5rem;
    color: var(--text-primary);
    margin: 0.5rem;
}

.filter-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.api-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-primary);
    width: 100%;
}

.api-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.hidden {
    display: none;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.ai-answer {
    background: rgba(90, 103, 216, 0.1);
    border-radius: 6px;
    padding: 0.75rem;
    margin-top: 0.5rem;
    border-left: 3px solid var(--accent-blue);
}

.loading {
    color: #60a5fa;
}

.error {
    color: #ef4444;
}

.success {
    color: #10b981;
}

.file-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 0.75rem;
    color: var(--text-primary);
    width: 100%;
    margin-bottom: 1rem;
}

.connection-info {
    background: rgba(90, 103, 216, 0.05);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(90, 103, 216, 0.3);
    text-align: center;
}