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

:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface2: #334155;
    --border: #475569;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --valid: #22c55e;
    --invalid: #ef4444;
    --pending: #f59e0b;
    --error: #f97316;
    --rate-limited: #8b5cf6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Header ========== */
.header {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========== Stats ========== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.stat-card.valid { border-left: 4px solid var(--valid); }
.stat-card.invalid { border-left: 4px solid var(--invalid); }

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ========== Charts ========== */
.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

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

.chart-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.chart-box h3 {
    margin-bottom: 16px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

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

/* ========== Filters ========== */
.filters {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 24px 0;
    flex-wrap: wrap;
}

.filters select {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.9rem;
}

.btn {
    background: var(--surface2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

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

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

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

/* ========== Table ========== */
.table-section {
    margin: 24px 0;
}

.table-section h3 {
    margin-bottom: 12px;
}

.table-wrap {
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
}

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

thead {
    border-bottom: 2px solid var(--border);
}

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-top: 1px solid rgba(71, 85, 105, 0.4);
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 40px !important;
}

tr:hover td {
    background: rgba(59, 130, 246, 0.05);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-valid { background: rgba(34, 197, 94, 0.2); color: var(--valid); }
.status-invalid { background: rgba(239, 68, 68, 0.2); color: var(--invalid); }
.status-pending { background: rgba(245, 158, 11, 0.2); color: var(--pending); }
.status-error { background: rgba(249, 115, 22, 0.2); color: var(--error); }
.status-rate_limited { background: rgba(139, 92, 246, 0.2); color: var(--rate-limited); }

/* Type badges */
.type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary);
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 16px 0;
}

.pagination button {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.85rem;
}

.pagination button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.pagination button:hover:not(.active) {
    background: var(--surface2);
}

/* ========== Modal ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 700px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
}

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

.modal-body {
    padding: 24px;
}

.modal-body .detail-row {
    margin-bottom: 16px;
}

.modal-body .detail-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.modal-body .detail-value {
    font-size: 0.95rem;
    word-break: break-all;
}

.modal-body pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    overflow-x: auto;
    font-size: 0.85rem;
    color: var(--valid);
}

/* ========== Footer ========== */
.footer {
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer p {
    max-width: 700px;
    margin: 0 auto;
}