/* CSS Variables for Theming */
:root {
    /* Light mode colors */
    --bg-primary: #f7f7f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f5ff;
    --text-primary: #202020;
    --text-secondary: #787878;
    --text-tertiary: #a0a0a0;
    --border-primary: #e5e5e5;
    --border-secondary: #eee;
    --accent-primary: #0657f9;
    --accent-primary-hover: #0444c2;
    --accent-bg: #f0f5ff;
    --success-bg: #d4edda;
    --success-text: #155724;
    --warning-bg: #fff3cd;
    --warning-text: #866404;
    --spinner-bg: rgba(6, 87, 249, 0.2);
    --shadow: rgba(6, 87, 249, 0.1);
    --bg-image-opacity: 0.3;
}

[data-theme="dark"] {
    /* Dark mode colors */
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --text-primary: #e5e5e5;
    --text-secondary: #a0a0a0;
    --text-tertiary: #787878;
    --border-primary: #2a2a2a;
    --border-secondary: #333333;
    --accent-primary: #4a8fff;
    --accent-primary-hover: #6ba0ff;
    --accent-bg: #1a2332;
    --success-bg: #1a3a2a;
    --success-text: #5aba7a;
    --warning-bg: #3a3020;
    --warning-text: #daba5a;
    --spinner-bg: rgba(74, 143, 255, 0.2);
    --shadow: rgba(74, 143, 255, 0.2);
    --bg-image-opacity: 0.1;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Left side image */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: calc((100% - 1200px) / 2);
    height: 100vh;
    background-image: url('/static/images/background.png');
    background-size: cover;
    background-position: right center;
    background-repeat: no-repeat;
    opacity: var(--bg-image-opacity);
    z-index: 0;
}

/* Right side image */
body::after {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    width: calc((100% - 1200px) / 2);
    height: 100vh;
    background-image: url('/static/images/background.png');
    background-size: cover;
    background-position: left center;
    background-repeat: no-repeat;
    opacity: var(--bg-image-opacity);
    z-index: 0;
}

@media (max-width: 1200px) {
    body::before,
    body::after {
        display: none;
    }
}

/* Navigation */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 80px;
    background-image: url('/static/images/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 1;
    z-index: 0;
}

.nav-brand {
    position: relative;
    z-index: 1;
    margin-left: 90px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--accent-primary);
    color: white;
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--accent-bg);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
    color: var(--accent-primary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--spinner-bg);
    border-left: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

/* Dashboard */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.metric-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.metric-card.highlight {
    border: 2px solid var(--accent-primary);
    background: var(--bg-secondary);
}

.metric-card.highlight .metric-icon {
    background: var(--accent-primary);
    animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { transform: scale(1); }
    to { transform: scale(1.05); }
}

.metric-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: var(--accent-bg);
    color: var(--accent-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.metric-content p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.chart-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-primary);
}

.chart-container h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
}

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

.chart-container.full-width {
    grid-column: 1 / -1;
}

.chart-container.full-width canvas {
    max-height: 400px;
}

/* Recent Activity */
.recent-activity {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-primary);
}

.recent-activity h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.table-container {
    overflow-x: auto;
}

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

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

th {
    background: var(--bg-primary);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
}

tr:hover {
    background: var(--bg-tertiary);
}

.event-type {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.event-type.kick {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.event-type.take {
    background: var(--success-bg);
    color: var(--success-text);
}

/* Chain Statistics */
.chain-stats {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-primary);
}

.chain-stats h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chain-stat-card {
    border: 1px solid var(--border-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.chain-stat-card h3 {
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

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

.chain-stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-secondary);
}

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

.chain-stat-label {
    color: var(--text-secondary);
}

.chain-stat-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .container {
        padding: 1rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }

    .chain-stat-grid {
        grid-template-columns: 1fr;
    }
}

/* Time Filter Buttons */
.time-filter-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.time-filter-btn:hover {
    background: var(--accent-bg);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.time-filter-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Token Badge */
.token-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-bg);
    color: var(--accent-primary);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--accent-primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-success { color: #28a745; }
.text-warning { color: #ffc107; }
.text-danger { color: #dc3545; }
.text-primary { color: var(--accent-primary); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.address-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.address-link:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}

/* Auction Page Styles */
.breadcrumb {
    margin-bottom: 1rem;
}

.auction-header {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-primary);
}

.auction-header h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.auction-address {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
}

.auction-address span {
    font-size: 0.9rem;
    padding: 0.5rem;
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border-primary);
}

/* Filter form elements styling for both themes */
.filters-container select,
.filters-container input[type="number"],
.filters-container input[type="text"] {
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 0.5rem;
    font-size: 0.9rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.filters-container select:focus,
.filters-container input[type="number"]:focus,
.filters-container input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(6, 87, 249, 0.1);
}

[data-theme="dark"] .filters-container select:focus,
[data-theme="dark"] .filters-container input[type="number"]:focus,
[data-theme="dark"] .filters-container input[type="text"]:focus {
    box-shadow: 0 0 0 2px rgba(74, 143, 255, 0.2);
}

/* Select dropdown options styling for dark mode */
[data-theme="dark"] .filters-container select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Placeholder text styling */
.filters-container input::placeholder {
    color: var(--text-tertiary);
    opacity: 1;
}

/* Filter button hover effects */
.filters-container button:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    transition: all 0.2s ease;
}

/* Filter container styling */
.filters-container {
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.filters-container label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: block;
}