.lb-hero {
    background: linear-gradient(160deg, #ede7f6, #e8eaf6, #fff3e0);
    padding: 50px 0 40px;
    text-align: center;
}
.lb-hero h1 { font-size: 2rem; font-weight: 800; margin: 0 0 8px; }
.lb-hero p { color: #666; font-size: 1.05rem; margin: 0; }

.lb-section { padding: 30px 0 60px; }

/* ── Filter bar ──────────────────────────────────────────── */
.lb-filters {
    background: #fff; border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
    padding: 20px 24px; margin-bottom: 24px;
}
.lb-filter-row { display: flex; align-items: flex-start; gap: 12px; }
.lb-filter-row + .lb-filter-row { margin-top: 12px; }
.lb-filter-label {
    flex-shrink: 0; min-width: 56px; padding-top: 6px;
    font-size: .85rem; font-weight: 700; color: #666;
}
.lb-filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.lb-chip {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    font-size: .85rem; font-weight: 600; text-decoration: none;
    color: #555; background: #f0f0f0; border: 1.5px solid transparent;
    transition: all .15s;
}
.lb-chip:hover { background: #e8e8e8; color: #333; }
.lb-chip.active {
    color: #fff; background: #6366f1; border-color: #6366f1;
}
.lb-chip .lb-chip-icon { margin-right: 4px; }

@media (max-width: 640px) {
    .lb-filter-row { flex-direction: column; gap: 6px; }
}

/* ── My card ─────────────────────────────────────────────── */
.lb-my-card {
    display: flex; align-items: center; gap: 16px;
    background: linear-gradient(135deg, #fff8e1, #fff3e0);
    border: 1px solid #ffe0b2; border-radius: 12px;
    padding: 20px 24px; margin-bottom: 28px;
}
.lb-my-medal { font-size: 2.2rem; flex-shrink: 0; }
.lb-my-info strong { font-size: 1.1rem; }
.lb-my-info span { color: #666; font-size: .9rem; margin-left: 8px; }

/* ── Table ───────────────────────────────────────────────── */
.lb-table { width: 100%; border-collapse: separate; border-spacing: 0 4px; }
.lb-table th {
    text-align: left; padding: 12px 14px; font-size: .82rem;
    text-transform: uppercase; letter-spacing: .5px; color: #888;
    border-bottom: 2px solid #e0e0e0;
}
.lb-table td { padding: 14px; background: #fff; vertical-align: middle; }
.lb-table tr:first-child td { border-radius: 10px 10px 0 0; }

.lb-table tr.my-row td { background: #fff8e1; font-weight: 700; }

.lb-table tbody tr:hover td { background: #f5f5f5; }
.lb-table tbody tr.my-row:hover td { background: #fff3cd; }

.lb-rank { width: 60px; text-align: center; font-weight: 700; }
.lb-rank .medal { font-size: 1.4rem; display: block; }

.lb-user { display: flex; align-items: center; gap: 10px; }
.lb-avatar {
    width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
    background: #e0e0e0; flex-shrink: 0;
}
.lb-avatar-placeholder {
    width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(135deg, #7986cb, #9575cd);
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: .85rem; font-weight: 700;
}

.lb-score { font-weight: 700; font-variant-numeric: tabular-nums; color: #333; }
.lb-count { font-variant-numeric: tabular-nums; }

.lb-pass-bar-wrap { width: 120px; }
.lb-pass-bar-bg {
    height: 20px; border-radius: 10px; background: #eee; overflow: hidden;
}
.lb-pass-bar-fill {
    height: 100%; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: .75rem; font-weight: 700; color: #fff;
    min-width: 36px;
}
.lb-pass-bar-fill.high { background: #4caf50; }
.lb-pass-bar-fill.mid { background: #ff9800; }
.lb-pass-bar-fill.low { background: #f44336; }

.lb-footer-note { text-align: center; color: #999; font-size: .85rem; margin-top: 20px; }

.lb-empty { text-align: center; padding: 60px 0; color: #999; }
.lb-empty .lb-empty-icon { font-size: 3rem; margin-bottom: 12px; }

@media (max-width: 640px) {
    .lb-table th:nth-child(4),
    .lb-table td:nth-child(4),
    .lb-table th:nth-child(5),
    .lb-table td:nth-child(5) { display: none; }
}