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

:root {
    --good: #22c55e;
    --good-bg: #f0fdf4;
    --good-border: #86efac;
    --risky: #f97316;
    --risky-bg: #fff7ed;
    --risky-border: #fdba74;
    --unknown: #f59e0b;
    --unknown-bg: #fffbeb;
    --unknown-border: #fcd34d;
    --bad: #ef4444;
    --bad-bg: #fef2f2;
    --bad-border: #fca5a5;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
}

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

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Header ========== */
header {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    padding: 40px 0;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: #94a3b8;
    font-size: 1rem;
}

/* ========== Card ========== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px;
    margin: 24px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

.card h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text);
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ========== Single Verify ========== */
.input-group {
    display: flex;
    gap: 8px;
}

.input-group input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--primary);
}

.input-group button, .btn-primary {
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

.input-group button:hover, .btn-primary:hover {
    background: var(--primary-hover);
}

.input-group button:disabled, .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    padding: 10px 24px;
    background: white;
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* ========== Result Badge ========== */
.result-badge {
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-badge.good { background: var(--good-bg); border: 1px solid var(--good-border); color: #166534; }
.result-badge.risky { background: var(--risky-bg); border: 1px solid var(--risky-border); color: #9a3412; }
.result-badge.unknown { background: var(--unknown-bg); border: 1px solid var(--unknown-border); color: #92400e; }
.result-badge.bad { background: var(--bad-bg); border: 1px solid var(--bad-border); color: #991b1b; }

/* ========== Divider ========== */
.divider {
    display: flex;
    align-items: center;
    margin: 28px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    padding: 0 16px;
}

/* ========== Drop Zone ========== */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--primary);
    background: #eff6ff;
}

.drop-zone-content svg {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.drop-zone-content p {
    font-size: 1rem;
    margin-bottom: 4px;
}

.drop-zone-content span {
    color: var(--text-muted);
    font-size: 0.85rem;
    display: block;
    margin-bottom: 12px;
}

.file-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-align: center;
}

/* ========== Progress ========== */
.progress-bar-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.progress-bar {
    flex: 1;
    height: 12px;
    background: var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #60a5fa);
    border-radius: 6px;
    width: 0%;
    transition: width 0.3s ease;
}

#progress-text {
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 45px;
    text-align: right;
}

.stage-progress-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stage-progress-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    background: #f8fafc;
}

.stage-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.stage-progress-bar {
    height: 8px;
    border-radius: 6px;
    overflow: hidden;
    background: #e2e8f0;
}

.stage-progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 6px;
    transition: width 0.25s ease;
    background: linear-gradient(90deg, #14b8a6, #2dd4bf);
}

/* ========== Stats Grid ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    padding: 16px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border);
}

.stat-card .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-total .stat-number { color: var(--text); }
.stat-good .stat-number { color: var(--good); }
.stat-risky .stat-number { color: var(--risky); }
.stat-unknown .stat-number { color: var(--unknown); }
.stat-bad .stat-number { color: var(--bad); }

.stat-good { border-color: var(--good-border); background: var(--good-bg); }
.stat-risky { border-color: var(--risky-border); background: var(--risky-bg); }
.stat-unknown { border-color: var(--unknown-border); background: var(--unknown-bg); }
.stat-bad { border-color: var(--bad-border); background: var(--bad-bg); }

/* ========== Latest Check ========== */
.latest-check {
    padding: 10px 16px;
    background: #f1f5f9;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.latest-check .badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-left: 6px;
}

.badge.good { background: var(--good); color: white; }
.badge.risky { background: var(--risky); color: white; }
.badge.unknown { background: var(--unknown); color: white; }
.badge.bad { background: var(--bad); color: white; }

/* ========== Summary Bar ========== */
.summary {
    margin-bottom: 24px;
}

.summary-bar {
    display: flex;
    height: 28px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 8px;
}

.summary-segment {
    transition: width 0.5s ease;
    min-width: 0;
}

.summary-segment.good { background: var(--good); }
.summary-segment.risky { background: var(--risky); }
.summary-segment.unknown { background: var(--unknown); }
.summary-segment.bad { background: var(--bad); }

.summary-labels {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 0.9rem;
    font-weight: 600;
}

.label-good { color: #166534; }
.label-risky { color: #9a3412; }
.label-unknown { color: #92400e; }
.label-bad { color: #991b1b; }

/* ========== Download Actions ========== */
.download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

/* ========== Filter Tabs ========== */
.filter-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0;
}

.tab {
    padding: 8px 20px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

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

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========== Table ========== */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead th {
    text-align: left;
    padding: 10px 12px;
    background: #f8fafc;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

tbody tr:hover {
    background: #f8fafc;
}

/* ========== Pagination ========== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 20px;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.pagination button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

/* ========== New Check ========== */
.new-check {
    text-align: center;
    padding-top: 8px;
}

/* ========== Utilities ========== */
.hidden {
    display: none !important;
}

/* ========== Responsive ========== */
@media (max-width: 640px) {
    .stage-progress-grid {
        grid-template-columns: 1fr;
    }

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

    .download-actions {
        flex-direction: column;
    }

    .input-group {
        flex-direction: column;
    }

    header {
        padding: 24px 0;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .card {
        padding: 20px;
    }
}