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

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.main-content {
    flex: 1;
    padding-bottom: 2rem;
}

.hero {
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hero p {
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header h2 {
    margin-bottom: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 8px;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
}

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

.data-table th {
    font-weight: 600;
    background-color: var(--bg-color);
}

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

.positive {
    color: var(--success-color);
}

.negative {
    color: var(--danger-color);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--secondary-color);
}

.settings-list {
    list-style: none;
}

.settings-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.settings-list li:last-child {
    border-bottom: none;
}

.log-content {
    background-color: var(--bg-color);
    padding: 1rem;
    border-radius: 6px;
    max-height: 500px;
    overflow-y: auto;
}

.log-content h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.log-content p {
    margin-bottom: 0.5rem;
}

.log-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    text-align: center;
    color: var(--secondary-color);
    margin-top: auto;
}

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .data-table {
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

.quick-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.clear-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.trading-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.signal-box {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-size: 1.2rem;
    margin-top: 1rem;
}

.signal-box.positive {
    background-color: #dcfce7;
    color: #166534;
    border: 2px solid #22c55e;
}

.signal-box.negative {
    background-color: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
}

.weight-bar {
    height: 20px;
    background-color: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.weight-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.badge-warning {
    background-color: #f59e0b;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.badge-danger {
    background-color: var(--danger-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.strategy-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.strategy-box {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.strategy-box h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.strategy-box ul {
    list-style: none;
    padding-left: 0;
}

.strategy-box li {
    padding: 0.25rem 0;
    color: var(--secondary-color);
}

.strategy-box li::before {
    content: "• ";
    color: var(--primary-color);
}

.market-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.market-open {
    background-color: #dcfce7;
    border: 1px solid #22c55e;
}

.market-closed {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
}

.market-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.market-open .market-indicator {
    background-color: #22c55e;
    box-shadow: 0 0 8px #22c55e;
}

.market-closed .market-indicator {
    background-color: #ef4444;
}

body.dark .market-open {
    background-color: #1a3d2a;
}

body.dark .market-closed {
    background-color: #3d1a1a;
}

.notification-card {
    border-left: 4px solid var(--primary-color);
}

.notification-item {
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.notification-buy {
    background-color: #dcfce7;
    border-left: 4px solid var(--success-color);
}

.notification-sell {
    background-color: #fee2e2;
    border-left: 4px solid var(--danger-color);
}

.notification-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.notification-type {
    font-weight: bold;
    font-size: 1.1rem;
}

.notification-symbol {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--text-color);
}

.notification-details {
    font-size: 0.95rem;
}

.notification-reason {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.notification-trade-info {
    display: flex;
    gap: 1.5rem;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.notification-trade-info span {
    display: inline-block;
}

body.dark .notification-buy {
    background-color: #1a3d2a;
}

body.dark .notification-sell {
    background-color: #3d1a1a;
}

.highlight-stat {
    background-color: #dbeafe;
    border: 2px solid var(--primary-color);
}

body.dark .highlight-stat {
    background-color: #1e3a5f;
}

.fund-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.fund-form h3 {
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.fund-form form {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.fund-form input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    flex: 1;
    min-width: 100px;
}

.trade-info {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--bg-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

.data-table tfoot td {
    font-weight: bold;
    background: var(--bg-color);
    border-top: 2px solid var(--border-color);
}

@media (max-width: 768px) {
    .fund-actions {
        grid-template-columns: 1fr;
    }
}