/**
 * SEC Insider Trading Dashboard - Styles
 * Dark mode theme
 */

/* CSS Variables */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-hover: #21262d;

    --border-color: #30363d;
    --border-hover: #484f58;

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;

    --accent-primary: #2f81f7;
    --accent-hover: #1f6feb;

    --success-color: #3fb950;
    --danger-color: #f85149;
    --warning-color: #d29922;

    --buy-color: #26a641;
    --sell-color: #da3633;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

.dashboard-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.header-content .subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

/* Statistics Cards */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.stat-card:hover {
    border-color: var(--border-hover);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-value.stat-buy {
    color: var(--buy-color);
}

.stat-value.stat-sell {
    color: var(--sell-color);
}

/* Info Box */
.info-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-primary);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.info-box h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

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

.legend-item strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.legend-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

/* Filters */
.filters-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.filter-select,
.filter-input {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.filter-select:hover,
.filter-input:hover {
    border-color: var(--border-hover);
}

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

.filter-actions {
    display: flex;
    gap: 0.5rem;
    grid-column: 1 / -1;
}

/* Buttons */
.btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn:active {
    transform: scale(0.98);
}

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

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

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

.btn-small {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn .icon {
    font-size: 1rem;
}

/* Loading State */
.loading-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

.error-state p {
    color: var(--danger-color);
    margin-bottom: 1rem;
}

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

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.table-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.cache-indicator {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
}

.cache-indicator.cached {
    color: var(--warning-color);
}

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

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

.filings-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.filings-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.filings-table tbody tr {
    transition: background-color 0.15s;
}

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

.filings-table tbody tr.first-transaction {
    border-top: 2px solid var(--border-hover);
}

.ticker {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--accent-primary);
}

.transaction-buy {
    color: var(--buy-color);
    font-weight: 600;
}

.transaction-sell {
    color: var(--sell-color);
    font-weight: 600;
}

.transaction-other {
    color: var(--text-secondary);
    font-weight: 500;
}

.non-market-trade {
    opacity: 0.6;
}

.non-market-trade:hover {
    opacity: 0.8;
}

.value-buy {
    color: var(--buy-color);
}

.value-sell {
    color: var(--sell-color);
}

.pnl-positive {
    color: var(--success-color);
    font-weight: 600;
}

.pnl-negative {
    color: var(--danger-color);
    font-weight: 600;
}

.position-increase {
    color: var(--buy-color);
    font-weight: 600;
}

.position-decrease {
    color: var(--sell-color);
    font-weight: 600;
}

.position-significant {
    font-size: 1.1em;
    font-weight: 700;
    text-shadow: 0 0 10px currentColor;
}

.table-footer {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    flex: 1;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.page-indicator {
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 0.5rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value {
    color: var(--text-primary);
    text-align: right;
}

/* Transaction Cards in Modal */
.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

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

.transaction-header h4 {
    font-size: 1rem;
    font-weight: 600;
}

.transaction-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.transaction-badge.transaction-buy {
    background: rgba(38, 166, 65, 0.15);
    color: var(--buy-color);
}

.transaction-badge.transaction-sell {
    background: rgba(218, 54, 51, 0.15);
    color: var(--sell-color);
}

.transaction-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.transaction-detail {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

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

.transaction-value {
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: right;
}

/* Footnotes */
.footnotes-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footnote {
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-primary);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footnote strong {
    color: var(--accent-primary);
    margin-right: 0.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .stats-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-container {
        grid-template-columns: 1fr;
    }

    .filings-table {
        font-size: 0.8125rem;
    }

    .filings-table th,
    .filings-table td {
        padding: 0.5rem;
    }

    .modal {
        padding: 1rem;
    }

    .modal-content {
        max-height: 95vh;
    }

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

    .transaction-details {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-hover);
}

/* Selection Styling */
::selection {
    background: var(--accent-primary);
    color: white;
}