:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --accent-color: #10b981;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --header-gradient-1: #4f46e5;
    --header-gradient-2: #7c3aed;
    --highlight-bg: #fef08a;
    --highlight-text: #854d0e;
    --table-hover: #f1f5f9;
    --table-alt-row: #f8fafc;
    --search-summary-bg: #eef2ff;
}

/* @media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #818cf8;
        --primary-hover: #a5b4fc;
        --bg-color: #0f172a;
        --card-bg: #1e293b;
        --text-main: #f1f5f9;
        --text-muted: #94a3b8;
        --border-color: #334155;
        --accent-color: #34d399;
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
        --header-gradient-1: #312e81;
        --header-gradient-2: #4c1d95;
        --highlight-bg: #713f12;
        --highlight-text: #fef08a;
        --table-hover: #334155;
        --table-alt-row: #0f172a;
        --search-summary-bg: #1e1b4b;
    }
} */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    color: var(--text-main);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, var(--header-gradient-1) 0%, var(--header-gradient-2) 100%);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

header h1 {
    margin: 0;
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

header p {
    margin: 0.5rem 0 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

main {
    max-width: 1200px;
    width: 100%;
    margin: -2rem auto 2rem;
    padding: 0 1rem;
    flex: 1;
}

.controls {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.controls > *:last-child {
    margin-bottom: 0;
}

#auto-load-status {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--table-hover);
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.search-container {
    margin-bottom: 1.25rem;
    position: relative;
}

.search-input {
    width: 100%;
    margin: 0;
    box-sizing: border-box;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    background: var(--card-bg);
    color: var(--text-main);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.clear-search {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    padding: 0 5px;
}

.clear-search:hover {
    color: var(--primary-color);
}

.venue-tabs {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.tab-button {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
    color: var(--text-muted);
}

.tab-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--table-hover);
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
}

.table-container {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

th {
    background-color: var(--table-alt-row);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--table-hover);
}

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

.venue-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-main);
}

.search-summary {
    padding: 1rem 1.5rem;
    background: var(--search-summary-bg);
    color: var(--primary-color);
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.venue-group {
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.venue-group:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.row-count {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--table-hover);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

footer p {
    margin: 0.25rem 0;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Highlight search results */
.highlight {
    background-color: var(--highlight-bg);
    color: var(--highlight-text);
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 600;
}

/* Alternate row colors */
tbody tr:nth-child(even) {
    background-color: var(--table-alt-row);
}

/* Responsive */
@media (max-width: 640px) {
    header h1 { font-size: 1.75rem; }
    main { margin-top: -1rem; }
    .controls { padding: 1rem; }
    th, td { padding: 0.75rem 1rem; }
}