/* ============================================
   PrediDesk - Clean Financial Data UI
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #f5f5f5;
    --color-white: #ffffff;
    --color-text: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-border: #e0e0e0;
    --color-border-dark: #cccccc;
    --color-accent: #0066cc;
    --color-accent-hover: #0055aa;
    --color-kalshi: #4f46e5;
    --color-kalshi-bg: #eef2ff;
    --color-polymarket: #ea580c;
    --color-polymarket-bg: #fff7ed;
    --color-green: #059669;
    --color-green-light: #d1fae5;
    --color-red: #dc2626;
    --color-red-light: #fee2e2;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
    font-size: 14px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
}

/* Loading State */
.loading {
    padding: 48px 24px;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 15px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

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

/* ============================================
   HEADER
   ============================================ */
header {
    background-color: var(--color-white);
    border-bottom: 2px solid var(--color-text);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Calculate header height for sticky table header offset */
:root {
    --header-height: 72px;
    --category-bar-height: 52px;
}

.header-top {
    max-width: 1500px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
}

.brand-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.5px;
    line-height: 1;
}

.brand-subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.header-search {
    flex: 1;
    max-width: 600px;
}

.search-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 4px 4px 4px 16px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-wrapper:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    background-color: var(--color-white);
}

.search-icon {
    color: var(--color-text-muted);
    flex-shrink: 0;
}

#search-input {
    flex: 1;
    padding: 10px 12px;
    font-size: 15px;
    border: none;
    background: transparent;
    outline: none;
}

#search-input::placeholder {
    color: var(--color-text-muted);
}

.btn-search {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-search:hover {
    background-color: #333;
    transform: translateY(-1px);
}

.btn-search:active {
    transform: translateY(0);
}

/* ============================================
   CATEGORY BAR
   ============================================ */
.category-bar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
    position: sticky;
    top: 72px; /* Sits below header */
    z-index: 500;
}

.category-bar-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.category-btn {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.category-btn:hover {
    color: var(--color-text);
    border-color: var(--color-text-secondary);
    background-color: #f5f5f5;
}

.category-btn.active {
    color: var(--color-white);
    background-color: var(--color-text);
    border-color: var(--color-text);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
    max-width: 1500px;
    margin: 0 auto;
    padding: 20px 24px 32px;
}

/* ============================================
   DATA TABLE
   ============================================ */
.table-header {
    display: grid;
    grid-template-columns: 2.5fr 1.25fr 1fr 0.8fr 0.6fr 0.6fr 0.6fr;
    gap: 16px;
    align-items: center;
    padding: 10px 16px;
    background-color: #fafafa;
    border-bottom: 1px solid var(--color-border);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-text-secondary);
    position: sticky;
    top: 124px; /* Sits below header (~72px) + category bar (~52px) */
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.table-header > div:nth-child(n+3) {
    text-align: right;
}

.event-row-wrapper {
    display: block;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: background-color 0.1s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.event-row-wrapper:hover {
    background-color: #f0f4f8;
}

.event-row-wrapper:hover .event-title {
    color: var(--color-accent);
}

.grid-row {
    display: grid;
    grid-template-columns: 2.5fr 1.25fr 1fr 0.8fr 0.6fr 0.6fr 0.6fr;
    gap: 16px;
    align-items: center;
    padding: 12px 16px;
}

/* Event Title */
.event-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    cursor: pointer;
    transition: color 0.15s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.event-title:hover {
    color: var(--color-accent);
}

/* Top Markets Column */
.top-markets {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    overflow: hidden;
}

.pill-line {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pill-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pill-value {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 22px;
    padding: 0 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 3px;
}

.pill-placeholder {
    color: var(--color-text-muted);
    font-size: 12px;
    font-style: italic;
}

/* Source Badges */
.source-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.source-links.stacked {
    flex-direction: column;
    align-items: flex-end;
}

.source-links-empty {
    color: var(--color-text-muted);
    font-size: 11px;
}

.source-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    height: 22px;
    padding: 0 10px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-radius: 3px;
    background-color: #e5e5e5;
    color: var(--color-text);
}

.source-badge.kalshi {
    background-color: #dbeafe;
    color: #1e40af;
}

.source-badge.polymarket {
    background-color: #ffedd5;
    color: #c2410c;
}

/* Volume Cells */
.volume-cell {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
    text-align: right;
}

/* Category Cell */
.category-cell {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    text-align: right;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 12px 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
}

.pagination span {
    font-variant-numeric: tabular-nums;
}

.pagination button {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-text);
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.pagination button:hover {
    background-color: #333;
    transform: translateY(-1px);
}

.pagination button:disabled {
    background-color: #d1d5db;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
    .table-header,
    .grid-row {
        grid-template-columns: 2fr 1.5fr 0.8fr 0.7fr 0.5fr 0.5fr 0.5fr;
        gap: 12px;
    }
    
    .category-bar-inner {
        padding: 0 16px;
    }
}

@media (max-width: 900px) {
    .header-top {
        padding: 0 16px;
    }
    
    main {
        padding: 16px 16px 24px;
    }
    
    .table-header,
    .grid-row {
        grid-template-columns: 2fr 1.2fr 0.8fr 0.7fr 0.5fr 0.5fr 0.5fr;
        gap: 10px;
        padding: 10px 12px;
    }
    
    .category-btn {
        padding: 5px 10px;
        font-size: 11px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .brand-subtitle {
        display: none;
    }
    
    .header-top {
        flex-direction: column;
        gap: 12px;
        padding: 12px 16px;
    }
    
    .header-brand {
        align-items: center;
    }
    
    .header-search {
        max-width: 100%;
        width: 100%;
    }
    
    .table-header {
        display: none;
    }
    
    .grid-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .top-markets {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .source-links.stacked {
        flex-direction: row;
    }
    
    .category-bar-inner {
        gap: 6px;
    }
    
    .category-btn {
        padding: 4px 8px;
        font-size: 10px;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
}

.footer-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-link {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-link:hover {
    color: var(--color-text);
}

.footer-link.how-it-works {
    font-weight: 600;
    color: var(--color-text);
}

.footer-link.how-it-works:hover {
    color: var(--color-accent);
}

.footer-divider {
    color: var(--color-text-muted);
    font-size: 12px;
}