:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #4a9eff;
    --accent-hover: #6bb0ff;
    --danger: #ff4444;
    --danger-hover: #ff6666;
    --success: #44ff44;
    --border: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
}

.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border: #d0d0d0;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

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

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.header h1 {
    font-size: 2em;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--bg-secondary);
}

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

.btn-danger:hover {
    background-color: var(--danger-hover);
}

.btn-block {
    width: 100%;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px var(--shadow);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 2.5em;
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--accent);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow);
}

.chart-card h3 {
    margin-bottom: 15px;
    font-size: 1.2em;
}

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

/* Map Card */
.map-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px var(--shadow);
}

.map-card h3 {
    margin-bottom: 15px;
}

#map {
    border-radius: 8px;
    overflow: hidden;
}

/* Block Form */
.block-form-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px var(--shadow);
}

.block-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 5px;
    font-size: 0.9em;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Real-time Card */
.realtime-card, .suspicious-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px var(--shadow);
}

.realtime-header, .suspicious-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.realtime-card table, .suspicious-card table {
    width: 100%;
    font-size: 0.9em;
}

.realtime-card .btn-sm, .suspicious-card .btn-sm {
    padding: 5px 10px;
    font-size: 0.85em;
}

/* Logs Card */
.logs-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px var(--shadow);
}

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

.logs-actions {
    display: flex;
    gap: 10px;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--bg-tertiary);
    border-radius: 6px;
}

.filters input,
.filters select {
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    position: sticky;
    top: 0;
}

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

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-card {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 20px var(--shadow);
}

.login-card h1 {
    text-align: center;
    margin-bottom: 10px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-secondary);
    font-size: 1.2em;
}

.login-footer {
    margin-top: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Alerts */
.alert {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: rgba(255, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-success {
    background-color: rgba(68, 255, 68, 0.2);
    border: 1px solid var(--success);
    color: var(--success);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 5% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px var(--shadow);
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .block-form {
        grid-template-columns: 1fr;
    }
    
    .logs-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .filters {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.9em;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px;
    }
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-bar-container {
    width: 100%;
    height: 25px;
    background-color: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
    margin: 15px 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-hover) 100%);
    transition: width 0.3s ease;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
}

#parse-progress-text {
    background-color: var(--bg-tertiary);
    padding: 15px;
    border-radius: 6px;
    max-height: 200px;
    overflow-y: auto;
    font-size: 0.9em;
    line-height: 1.8;
}

#parse-progress-text p {
    margin: 5px 0;
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
}

#parse-progress-text p:last-child {
    border-bottom: none;
}

/* Analytics Tabs */
.analytics-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
    flex-wrap: wrap;
}

.analytics-tab {
    padding: 10px 20px;
    background-color: var(--bg-tertiary);
    border: none;
    border-radius: 6px 6px 0 0;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.analytics-tab:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.analytics-tab.active {
    background-color: var(--accent);
    color: white;
    font-weight: 600;
}

.analytics-section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
}

.analytics-section h3 {
    margin-bottom: 15px;
    color: var(--accent);
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
}

.analytics-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.analytics-table th,
.analytics-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.9em;
}

.analytics-table th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    position: sticky;
    top: 0;
}

.analytics-table tr:hover {
    background-color: var(--bg-secondary);
}

.analytics-stat {
    display: inline-block;
    padding: 8px 15px;
    margin: 5px;
    background-color: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--accent);
}

.analytics-stat strong {
    color: var(--accent);
    font-size: 1.2em;
}