/* =====================================================================
   Author Leaderboard & Ranking Styles (Phong cách thuần Việt, tinh tế)
   ===================================================================== */

.td-author-ranking-page {
    padding-top: 1.5rem;
    padding-bottom: 4rem;
}

/* ── Hero Header ── */
.td-ranking-hero {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 2.5rem;
}

.td-ranking-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.25) 100%);
    color: #f59e0b;
    font-size: 28px;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.2);
}

.td-ranking-title {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--vn-text-main, #0f172a);
}

.td-ranking-subtitle {
    font-size: 1rem;
    color: var(--vn-text-muted, #64748b);
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

/* ── Search & Filter Bar ── */
.td-ranking-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.td-ranking-search-form {
    position: relative;
    width: 100%;
    max-width: 440px;
}

.td-ranking-search-input {
    width: 100%;
    padding: 0.75rem 3.5rem 0.75rem 1.25rem;
    border-radius: 50rem;
    border: 1px solid var(--vn-border-soft, #e2e8f0);
    background: var(--vn-card-bg, #ffffff);
    color: var(--vn-text-main, #0f172a);
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
    transition: all 0.2s ease;
}

.td-ranking-search-input:focus {
    outline: none;
    border-color: var(--vn-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.td-ranking-search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: var(--vn-primary, #0d9488);
    color: #ffffff;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.td-ranking-search-btn:hover {
    background: #0f766e;
    transform: translateY(-50%) scale(1.05);
}

.td-ranking-tabs {
    display: inline-flex;
    background: rgba(0, 0, 0, 0.04);
    padding: 4px;
    border-radius: 50rem;
    gap: 4px;
}

.td-ranking-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 50rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vn-text-muted, #64748b);
    text-decoration: none;
    transition: all 0.2s ease;
}

.td-ranking-tab:hover {
    color: var(--vn-text-main, #0f172a);
}

.td-ranking-tab.active {
    background: #ffffff;
    color: var(--vn-primary, #0d9488);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* ── Top 3 Podium Section ── */
.td-podium-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 1.5rem;
    align-items: flex-end;
    margin-bottom: 3rem;
}

@media (max-width: 991px) {
    .td-podium-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.td-podium-card {
    position: relative;
    background: var(--vn-card-bg, #ffffff);
    border-radius: 20px;
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid var(--vn-border-soft, #e2e8f0);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.td-podium-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

/* Rank 1 (Quán Quân) */
.td-podium-card.rank-1 {
    border: 2px solid #f59e0b;
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, var(--vn-card-bg, #ffffff) 100%);
    box-shadow: 0 16px 40px rgba(245, 158, 11, 0.15);
    padding-top: 2.75rem;
    padding-bottom: 2.25rem;
}

.td-podium-card.rank-1 .td-podium-avatar-wrap {
    width: 92px;
    height: 92px;
    margin: 0 auto 1rem;
    box-shadow: 0 0 0 4px #f59e0b, 0 10px 25px rgba(245, 158, 11, 0.35);
}

.td-podium-card.rank-1 .td-crown-icon {
    position: absolute;
    top: -26px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 32px;
    color: #f59e0b;
    filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.4));
    animation: tdCrownBounce 2.5s infinite ease-in-out;
}

@keyframes tdCrownBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-6px); }
}

/* Rank 2 (Á Quân) */
.td-podium-card.rank-2 {
    border: 1.5px solid #94a3b8;
    background: linear-gradient(180deg, rgba(148, 163, 184, 0.08) 0%, var(--vn-card-bg, #ffffff) 100%);
}

.td-podium-card.rank-2 .td-podium-avatar-wrap {
    width: 78px;
    height: 78px;
    margin: 0 auto 1rem;
    box-shadow: 0 0 0 3px #94a3b8, 0 8px 20px rgba(148, 163, 184, 0.25);
}

/* Rank 3 (Quý Quân) */
.td-podium-card.rank-3 {
    border: 1.5px solid #d97706;
    background: linear-gradient(180deg, rgba(217, 119, 6, 0.08) 0%, var(--vn-card-bg, #ffffff) 100%);
}

.td-podium-card.rank-3 .td-podium-avatar-wrap {
    width: 78px;
    height: 78px;
    margin: 0 auto 1rem;
    box-shadow: 0 0 0 3px #d97706, 0 8px 20px rgba(217, 119, 6, 0.25);
}

/* Podium Elements */
.td-podium-avatar-wrap {
    position: relative;
    border-radius: 50%;
    overflow: visible;
}

.td-podium-avatar-wrap img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.td-podium-badge-rank {
    position: absolute;
    bottom: -6px;
    right: -4px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    color: #ffffff;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.td-podium-card.rank-1 .td-podium-badge-rank { background: #f59e0b; }
.td-podium-card.rank-2 .td-podium-badge-rank { background: #64748b; }
.td-podium-card.rank-3 .td-podium-badge-rank { background: #d97706; }

.td-podium-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.td-podium-name a {
    color: var(--vn-text-main, #0f172a);
    text-decoration: none;
    transition: color 0.15s ease;
}

.td-podium-name a:hover {
    color: var(--vn-primary, #0d9488);
}

.td-podium-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 1.25rem 0 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--vn-border-soft, #e2e8f0);
}

.td-podium-stat-item {
    display: flex;
    flex-direction: column;
}

.td-podium-stat-num {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--vn-text-main, #0f172a);
}

.td-podium-stat-lbl {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--vn-text-muted, #94a3b8);
}

/* ── Badges ── */
.td-level-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 50rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ── Full Leaderboard Table Card ── */
.td-ranking-table-card {
    background: var(--vn-card-bg, #ffffff);
    border-radius: 18px;
    border: 1px solid var(--vn-border-soft, #e2e8f0);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    margin-bottom: 3rem;
}

.td-ranking-table-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--vn-border-soft, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.td-ranking-table-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--vn-text-main, #0f172a);
}

.td-ranking-table {
    margin-bottom: 0;
    vertical-align: middle;
}

.td-ranking-table th {
    background: rgba(0, 0, 0, 0.02);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vn-text-muted, #64748b);
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--vn-border-soft, #e2e8f0);
}

.td-ranking-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--vn-border-soft, #f1f5f9);
    color: var(--vn-text-main, #0f172a);
    font-size: 0.92rem;
}

.td-ranking-table tbody tr {
    transition: background-color 0.15s ease;
}

.td-ranking-table tbody tr:hover {
    background-color: rgba(13, 148, 136, 0.03);
}

/* Rank Column */
.td-rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.88rem;
}

.td-rank-num.rank-top-1 { background: #fef3c7; color: #b45309; }
.td-rank-num.rank-top-2 { background: #f1f5f9; color: #475569; }
.td-rank-num.rank-top-3 { background: #ffedd5; color: #c2410c; }
.td-rank-num.rank-normal { color: #94a3b8; font-weight: 700; }

/* Author Column */
.td-rank-author-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.td-rank-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.td-rank-author-info {
    display: flex;
    flex-direction: column;
}

.td-rank-author-name {
    font-weight: 700;
    color: var(--vn-text-main, #0f172a);
    text-decoration: none;
    line-height: 1.3;
}

.td-rank-author-name:hover {
    color: var(--vn-primary, #0d9488);
}

.td-rank-author-sub {
    font-size: 0.78rem;
    color: var(--vn-text-muted, #94a3b8);
}

/* ── Pagination Styling ── */
.td-ranking-pagination-wrap {
    padding: 1.75rem 1.25rem;
    display: flex;
    justify-content: center;
    border-top: 1px solid var(--vn-border-soft, #e2e8f0);
}

/* ── Dark Mode Adaptations ── */
.dark-mode .td-ranking-search-input,
[data-bs-theme="dark"] .td-ranking-search-input {
    background: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}

.dark-mode .td-ranking-tabs,
[data-bs-theme="dark"] .td-ranking-tabs {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode .td-ranking-tab.active,
[data-bs-theme="dark"] .td-ranking-tab.active {
    background: #1e293b;
    color: #2dd4bf;
}

.dark-mode .td-podium-card,
[data-bs-theme="dark"] .td-podium-card,
.dark-mode .td-ranking-table-card,
[data-bs-theme="dark"] .td-ranking-table-card {
    background: #1e293b;
    border-color: #334155;
}

.dark-mode .td-ranking-table th,
[data-bs-theme="dark"] .td-ranking-table th {
    background: rgba(0, 0, 0, 0.2);
    border-color: #334155;
}

.dark-mode .td-ranking-table td,
[data-bs-theme="dark"] .td-ranking-table td {
    border-color: #334155;
    color: #f1f5f9;
}

.dark-mode .td-ranking-table tbody tr:hover,
[data-bs-theme="dark"] .td-ranking-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.dark-mode .td-rank-num.rank-top-1 { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.dark-mode .td-rank-num.rank-top-2 { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; }
.dark-mode .td-rank-num.rank-top-3 { background: rgba(217, 119, 6, 0.2); color: #f97316; }

/* =====================================================================
   Author Tiers & Power Scoring System (Hệ Thống Cấp Bậc & Điểm Sức Mạnh)
   ===================================================================== */

/* ── Tiers Milestones Showcase Card ── */
.td-tiers-overview-card {
    background: var(--vn-card-bg, #ffffff);
    border: 1px solid var(--vn-border-soft, #e2e8f0);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.td-tiers-overview-header {
    border-bottom: 1px solid var(--vn-border-soft, #f1f5f9);
    padding-bottom: 0.75rem;
}

.td-toggle-rules-btn {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vn-primary, #0d9488);
    padding: 0;
}

.td-toggle-rules-btn:hover {
    color: #0f766e;
}

/* ── Tiers Grid ── */
.td-tiers-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
}

@media (max-width: 1199px) {
    .td-tiers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 575px) {
    .td-tiers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
}

.td-tier-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--vn-card-bg, #ffffff);
    border: 1px solid var(--vn-border-soft, #e2e8f0);
    transition: all 0.2s ease;
}

.td-tier-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.04);
}

.td-tier-pill-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.03);
    flex-shrink: 0;
}

.td-tier-pill-info {
    min-width: 0;
}

.td-tier-pill-name {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.td-tier-sub-vn {
    font-size: 0.75rem;
    font-weight: 600;
    opacity: 0.85;
}

.td-tier-pill-req {
    font-size: 0.72rem;
    color: var(--vn-text-muted, #64748b);
    margin-top: 2px;
    white-space: nowrap;
}

/* ── Glow Effect for Grandmaster (Đại Thần) ── */
@keyframes tdGrandmasterPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(245, 158, 11, 0.35);
        border-color: rgba(245, 158, 11, 0.75);
    }
    50% {
        box-shadow: 0 0 22px rgba(245, 158, 11, 0.65), 0 0 35px rgba(239, 68, 68, 0.25);
        border-color: #f59e0b;
    }
}

.td-tier-pill.td-tier-grandmaster.has-glow {
    animation: tdGrandmasterPulse 2.8s infinite ease-in-out;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(239, 68, 68, 0.08) 100%);
}

.has-grandmaster-glow {
    animation: tdGrandmasterPulse 3s infinite ease-in-out;
}

.td-level-badge.has-glow {
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

/* ── Author Power Highlight Badges ── */
.td-podium-power-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: 50rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.td-podium-power-badge.rank-1-power {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.18) 0%, rgba(239, 68, 68, 0.15) 100%);
    border-color: rgba(245, 158, 11, 0.5);
    padding: 6px 18px;
}

.td-power-val {
    font-weight: 800;
    color: #d97706;
}

.td-power-lbl {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #b45309;
}

/* Table Author Power Score */
.td-score-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 800;
    color: #d97706;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.92rem;
}

.td-tier-vn-sub {
    font-size: 0.7rem;
    opacity: 0.9;
    margin-left: 2px;
}

/* ── Scoring Rules Guide Box ── */
.td-scoring-guide-box {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
}

.td-formula-badge {
    display: inline-block;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 0.85rem;
    color: #0f172a;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

/* ── Dark Mode Adaptations for New Components ── */
.dark-mode .td-tiers-overview-card,
[data-bs-theme="dark"] .td-tiers-overview-card {
    background: #1e293b;
    border-color: #334155;
}

.dark-mode .td-tiers-overview-header,
[data-bs-theme="dark"] .td-tiers-overview-header {
    border-color: #334155;
}

.dark-mode .td-tier-pill,
[data-bs-theme="dark"] .td-tier-pill {
    background: #0f172a;
    border-color: #334155;
}

.dark-mode .td-tier-pill-icon,
[data-bs-theme="dark"] .td-tier-pill-icon {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode .td-scoring-guide-box,
[data-bs-theme="dark"] .td-scoring-guide-box {
    background: #0f172a;
    border-color: #334155;
}

.dark-mode .td-formula-badge,
[data-bs-theme="dark"] .td-formula-badge {
    background: #1e293b;
    border-color: #334155;
    color: #f8fafc;
}