/* ==============================================================================
   SQL MASTER — FORMAL LEADERBOARD & RANKINGS SYSTEM
   Dynamic Theme Support (Dark & Light Mode) with Top 3 Ranking Bars
   and 100% Single-Screen Mobile Fit (Zero Inside Table Scroll)
============================================================================== */

:root,
html[data-bs-theme="dark"] {
    --rank-page-bg: transparent;
    --rank-card-bg: #111827;
    --rank-card-border: #1f2937;
    --rank-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);

    --rank-text-primary: #f8fafc;
    --rank-text-secondary: #94a3b8;
    --rank-text-muted: #64748b;

    --rank-th-bg: #0f172a;
    --rank-th-text: #94a3b8;
    --rank-th-border: #1e293b;

    --rank-td-border: #1e293b;
    --rank-td-text: #e2e8f0;
    --rank-tr-hover: rgba(255, 255, 255, 0.02);

    --rank-tr-current-bg: rgba(56, 189, 248, 0.08);
    --rank-tr-current-border: #38bdf8;
    --rank-you-tag-bg: #0284c7;
    --rank-you-tag-text: #ffffff;

    --rank-num-color: #94a3b8;
    --rank-num-bg: rgba(255, 255, 255, 0.05);
    --rank-num-border: rgba(255, 255, 255, 0.1);

    --rank-top1-color: #fbbf24;
    --rank-top1-bg: rgba(245, 158, 11, 0.15);
    --rank-top1-border: rgba(245, 158, 11, 0.4);

    --rank-top2-color: #cbd5e1;
    --rank-top2-bg: rgba(148, 163, 184, 0.15);
    --rank-top2-border: rgba(148, 163, 184, 0.4);

    --rank-top3-color: #f59e0b;
    --rank-top3-bg: rgba(217, 119, 6, 0.15);
    --rank-top3-border: rgba(217, 119, 6, 0.4);

    --rank-avatar-border: #334155;
    --rank-avatar-initials-bg: #1e293b;
    --rank-avatar-initials-text: #38bdf8;

    --rank-solved-num-color: #34d399;
    --rank-time-val-color: #f8fafc;

    /* Top 3 Ranking Bars Pillars */
    --pillar-gold-bg: linear-gradient(180deg, #f59e0b 0%, #b45309 100%);
    --pillar-gold-glow: rgba(245, 158, 11, 0.35);
    --pillar-gold-border: rgba(245, 158, 11, 0.5);

    --pillar-silver-bg: linear-gradient(180deg, #94a3b8 0%, #475569 100%);
    --pillar-silver-glow: rgba(148, 163, 184, 0.25);
    --pillar-silver-border: rgba(148, 163, 184, 0.4);

    --pillar-bronze-bg: linear-gradient(180deg, #d97706 0%, #78350f 100%);
    --pillar-bronze-glow: rgba(217, 119, 6, 0.25);
    --pillar-bronze-border: rgba(217, 119, 6, 0.4);
}

html[data-bs-theme="light"] {
    --rank-page-bg: transparent;
    --rank-card-bg: #ffffff;
    --rank-card-border: #e2e8f0;
    --rank-card-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);

    --rank-text-primary: #0f172a;
    --rank-text-secondary: #475569;
    --rank-text-muted: #64748b;

    --rank-th-bg: #f8fafc;
    --rank-th-text: #475569;
    --rank-th-border: #e2e8f0;

    --rank-td-border: #f1f5f9;
    --rank-td-text: #1e293b;
    --rank-tr-hover: #f8fafc;

    --rank-tr-current-bg: #f0f9ff;
    --rank-tr-current-border: #0284c7;
    --rank-you-tag-bg: #0284c7;
    --rank-you-tag-text: #ffffff;

    --rank-num-color: #64748b;
    --rank-num-bg: #f8fafc;
    --rank-num-border: #e2e8f0;

    --rank-top1-color: #b45309;
    --rank-top1-bg: #fef3c7;
    --rank-top1-border: #fcd34d;

    --rank-top2-color: #475569;
    --rank-top2-bg: #f1f5f9;
    --rank-top2-border: #cbd5e1;

    --rank-top3-color: #c2410c;
    --rank-top3-bg: #ffedd5;
    --rank-top3-border: #fed7aa;

    --rank-avatar-border: #cbd5e1;
    --rank-avatar-initials-bg: #e0f2fe;
    --rank-avatar-initials-text: #0284c7;

    --rank-solved-num-color: #059669;
    --rank-time-val-color: #0f172a;

    /* Top 3 Ranking Bars Pillars Light */
    --pillar-gold-bg: linear-gradient(180deg, #fbbf24 0%, #d97706 100%);
    --pillar-gold-glow: rgba(245, 158, 11, 0.2);
    --pillar-gold-border: #f59e0b;

    --pillar-silver-bg: linear-gradient(180deg, #94a3b8 0%, #475569 100%);
    --pillar-silver-glow: rgba(148, 163, 184, 0.2);
    --pillar-silver-border: #94a3b8;

    --pillar-bronze-bg: linear-gradient(180deg, #f97316 0%, #c2410c 100%);
    --pillar-bronze-glow: rgba(217, 119, 6, 0.2);
    --pillar-bronze-border: #ea580c;
}

/* ─────────────────────────────────────────────────────────────────────────────
   LAYOUT & CONTAINER
───────────────────────────────────────────────────────────────────────────── */

.rankings-page-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-bottom: 2.5rem;
    max-width: 950px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    animation: fadeInRankings 0.25s ease-out;
}

@keyframes fadeInRankings {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   FORMAL HEADING
───────────────────────────────────────────────────────────────────────────── */

.rankings-formal-header {
    padding-top: 0.25rem;
    padding-bottom: 0;
}

.rankings-formal-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--rank-text-primary);
    margin: 0;
    letter-spacing: -0.02em;
    transition: color 0.2s ease;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOP 3 RANKING BARS (PODIUM SECTION)
───────────────────────────────────────────────────────────────────────────── */

.ranking-bars-section {
    width: 100%;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.ranking-bars-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 1.25rem;
    max-width: 440px;
    margin: 0 auto;
    padding: 0 0.5rem;
}

.ranking-bar-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1 1 0;
    max-width: 120px;
    position: relative;
}

.bar-user-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.5rem;
    width: 100%;
}

.bar-crown-icon {
    color: #fbbf24;
    font-size: 1.4rem;
    line-height: 1;
    margin-bottom: 4px;
    filter: drop-shadow(0 2px 6px rgba(251, 191, 36, 0.4));
    animation: subtleFloat 2.5s ease-in-out infinite alternate;
}

@keyframes subtleFloat {
    from { transform: translateY(0); }
    to { transform: translateY(-3px); }
}

.bar-avatar-wrap {
    position: relative;
    border-radius: 50%;
    overflow: visible;
}

.avatar--gold {
    width: 58px;
    height: 58px;
    box-shadow: 0 0 16px var(--pillar-gold-glow);
}

.avatar--silver,
.avatar--bronze {
    width: 48px;
    height: 48px;
}

.avatar--silver {
    box-shadow: 0 0 12px var(--pillar-silver-glow);
}

.avatar--bronze {
    box-shadow: 0 0 12px var(--pillar-bronze-glow);
}

.bar-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2.5px solid;
}

.avatar--gold .bar-avatar-img {
    border-color: #fbbf24;
}

.avatar--silver .bar-avatar-img {
    border-color: #cbd5e1;
}

.avatar--bronze .bar-avatar-img {
    border-color: #f97316;
}

.bar-avatar-initials {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.15rem;
    border: 2.5px solid;
    background: var(--rank-avatar-initials-bg);
}

.avatar--gold .bar-avatar-initials {
    border-color: #fbbf24;
    color: #fbbf24;
}

.avatar--silver .bar-avatar-initials {
    border-color: #cbd5e1;
    color: #cbd5e1;
}

.avatar--bronze .bar-avatar-initials {
    border-color: #f97316;
    color: #f97316;
}

.bar-medal-badge {
    position: absolute;
    bottom: -3px;
    right: -3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 800;
    color: #040a17;
    border: 1.5px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.medal--gold {
    background: #fbbf24;
}

.medal--silver {
    background: #cbd5e1;
}

.medal--bronze {
    background: #f97316;
    color: #ffffff;
}

.bar-user-name {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--rank-text-primary);
    margin-top: 6px;
    width: 100%;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 4px;
    transition: color 0.2s ease;
}

/* Ranking Pillars */
.ranking-pillar {
    width: 100%;
    border-radius: 10px 10px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.25), 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid;
    border-bottom: none;
    transition: all 0.2s ease;
}

.pillar--gold {
    height: 82px;
    background: var(--pillar-gold-bg);
    border-color: var(--pillar-gold-border);
}

.pillar--silver {
    height: 60px;
    background: var(--pillar-silver-bg);
    border-color: var(--pillar-silver-border);
}

.pillar--bronze {
    height: 44px;
    background: var(--pillar-bronze-bg);
    border-color: var(--pillar-bronze-border);
}

.pillar-rank-num {
    font-size: 1.35rem;
    font-weight: 900;
    font-family: 'JetBrains Mono', monospace;
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

/* ─────────────────────────────────────────────────────────────────────────────
   FORMAL LEADERBOARD TABLE CARD & ZERO SCROLL
───────────────────────────────────────────────────────────────────────────── */

.formal-table-card {
    background: var(--rank-card-bg);
    border: 1px solid var(--rank-card-border);
    border-radius: 12px;
    overflow: hidden !important;
    box-shadow: var(--rank-card-shadow);
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.table-wrap-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow: hidden !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: auto !important;
    box-sizing: border-box;
}

.formal-rank-table {
    width: 100% !important;
    max-width: 100% !important;
    table-layout: fixed !important; /* Forces strict proportions with zero horizontal overflow */
    border-collapse: separate;
    border-spacing: 0;
    text-align: left;
    margin: 0;
    box-sizing: border-box;
}

.formal-rank-table th {
    background: var(--rank-th-bg);
    color: var(--rank-th-text);
    padding: 0.85rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--rank-th-border);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.formal-rank-table td {
    padding: 0.85rem 0.75rem;
    border-bottom: 1px solid var(--rank-td-border);
    color: var(--rank-td-text);
    font-size: 0.9rem;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.formal-rank-table tbody tr {
    transition: background 0.15s ease;
}

.formal-rank-table tbody tr:hover td {
    background: var(--rank-tr-hover);
}

.formal-rank-table tbody tr:last-child td {
    border-bottom: none;
}

/* Current user highlighted row */
.formal-rank-table tbody tr.is-current-user-row td {
    background: var(--rank-tr-current-bg) !important;
}

.formal-rank-table tbody tr.is-current-user-row td:first-child {
    border-left: 3.5px solid var(--rank-tr-current-border);
}

/* ─────────────────────────────────────────────────────────────────────────────
   BALANCED COLUMN WIDTHS & ALIGNMENT
───────────────────────────────────────────────────────────────────────────── */

/* Column 1: Rank (Centered) */
.col-rank {
    width: 12%;
    min-width: 50px;
    text-align: center;
}

.formal-rank-table th.col-rank,
.formal-rank-table td.col-rank {
    text-align: center;
}

/* Column 2: Name (Left-aligned, flexible) */
.col-user {
    width: 44%;
    text-align: left;
}

.formal-rank-table th.col-user,
.formal-rank-table td.col-user {
    text-align: left;
}

/* Column 3: Solved Questions (CENTERED & PROPORTIONATE) */
.col-solved {
    width: 22%;
    text-align: center;
}

.formal-rank-table th.col-solved,
.formal-rank-table td.col-solved {
    text-align: center !important;
}

/* Column 4: Total Time (CENTERED & BALANCED) */
.col-time {
    width: 22%;
    text-align: center;
}

.formal-rank-table th.col-time,
.formal-rank-table td.col-time {
    text-align: center !important;
}

/* ─────────────────────────────────────────────────────────────────────────────
   RANK POSITION BADGE
───────────────────────────────────────────────────────────────────────────── */

.rank-pos {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--rank-num-color);
    background: var(--rank-num-bg);
    border: 1px solid var(--rank-num-border);
    transition: all 0.2s ease;
}

.rank-pos--1 {
    color: var(--rank-top1-color);
    background: var(--rank-top1-bg);
    border-color: var(--rank-top1-border);
    font-weight: 800;
}

.rank-pos--2 {
    color: var(--rank-top2-color);
    background: var(--rank-top2-bg);
    border-color: var(--rank-top2-border);
    font-weight: 800;
}

.rank-pos--3 {
    color: var(--rank-top3-color);
    background: var(--rank-top3-bg);
    border-color: var(--rank-top3-border);
    font-weight: 800;
}

/* ─────────────────────────────────────────────────────────────────────────────
   USER CELL (PICTURE & NAME ONLY)
───────────────────────────────────────────────────────────────────────────── */

.user-cell {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    overflow: hidden;
}

.user-avatar-wrap {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--rank-avatar-border);
    flex-shrink: 0;
    transition: border-color 0.2s ease;
}

.user-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-avatar-initials {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    background: var(--rank-avatar-initials-bg);
    color: var(--rank-avatar-initials-text);
    transition: all 0.2s ease;
}

.user-display-name {
    font-weight: 600;
    color: var(--rank-text-primary);
    font-size: 0.92rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.formal-you-tag {
    background: var(--rank-you-tag-bg);
    color: var(--rank-you-tag-text);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   QUESTIONS SOLVED (CENTERED SIMPLE NUMBER)
───────────────────────────────────────────────────────────────────────────── */

.solved-count-num {
    display: inline-block;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--rank-solved-num-color);
    transition: color 0.2s ease;
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOTAL TIME (CENTERED VALUE)
───────────────────────────────────────────────────────────────────────────── */

.total-time-val {
    display: inline-block;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--rank-time-val-color);
    white-space: nowrap;
    transition: color 0.2s ease;
}

/* ─────────────────────────────────────────────────────────────────────────────
   EMPTY STATE
───────────────────────────────────────────────────────────────────────────── */

.rankings-empty-state {
    padding: 3.5rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-state-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #38bdf8;
    margin-bottom: 1rem;
}

html[data-bs-theme="light"] .empty-state-icon {
    background: #f0f9ff;
    border-color: #bae6fd;
    color: #0284c7;
}

.empty-state-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--rank-text-primary);
    margin: 0 0 6px 0;
    transition: color 0.2s ease;
}

.empty-state-desc {
    color: var(--rank-text-secondary);
    font-size: 0.88rem;
    max-width: 360px;
    margin: 0 0 1.25rem 0;
    transition: color 0.2s ease;
}

.btn-formal-practice {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.2rem;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 600;
    background: #0284c7;
    color: #ffffff;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-formal-practice:hover {
    background: #0369a1;
    color: #ffffff;
}

/* ─────────────────────────────────────────────────────────────────────────────
   MOBILE & RESPONSIVE PERFECTION (ZERO TABLE SCROLLING & BALANCED COLUMNS)
───────────────────────────────────────────────────────────────────────────── */

@media (max-width: 767px) {
    .rankings-page-wrapper {
        gap: 0.75rem !important;
        padding-bottom: 1.5rem !important;
    }

    .rankings-formal-title {
        font-size: 1.3rem !important;
    }

    /* Compact Podium Bars for Mobile */
    .ranking-bars-section {
        margin-top: 0.25rem !important;
        margin-bottom: 0.35rem !important;
    }

    .ranking-bars-container {
        gap: 0.65rem !important;
        max-width: 330px !important;
        padding: 0 !important;
    }

    .bar-crown-icon {
        font-size: 1.1rem !important;
        margin-bottom: 2px !important;
    }

    .avatar--gold {
        width: 46px !important;
        height: 46px !important;
    }

    .avatar--silver,
    .avatar--bronze {
        width: 38px !important;
        height: 38px !important;
    }

    .bar-medal-badge {
        width: 16px !important;
        height: 16px !important;
        font-size: 0.62rem !important;
    }

    .bar-user-name {
        font-size: 0.75rem !important;
        margin-top: 3px !important;
        padding: 0 2px !important;
    }

    .pillar--gold {
        height: 56px !important;
    }

    .pillar--silver {
        height: 42px !important;
    }

    .pillar--bronze {
        height: 30px !important;
    }

    .pillar-rank-num {
        font-size: 1rem !important;
    }

    /* Fixed single-screen column distribution on mobile: NO TABLE SCROLL */
    .table-wrap-responsive {
        overflow: hidden !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: auto !important;
    }

    .formal-rank-table {
        table-layout: fixed !important;
        width: 100% !important;
    }

    .formal-rank-table th,
    .formal-rank-table td {
        padding: 0.6rem 0.35rem !important;
    }

    /* Mobile Column Balance */
    .col-rank {
        width: 44px !important;
        padding-left: 0.15rem !important;
        padding-right: 0.15rem !important;
        text-align: center !important;
    }

    .rank-pos {
        width: 25px !important;
        height: 25px !important;
        font-size: 0.76rem !important;
        border-radius: 5px !important;
    }

    .col-user {
        width: auto !important; /* fills space smoothly */
        padding-left: 0.35rem !important;
        padding-right: 0.25rem !important;
    }

    .user-cell {
        gap: 6px !important;
    }

    .user-avatar-wrap {
        width: 26px !important;
        height: 26px !important;
        min-width: 26px !important;
    }

    .user-avatar-initials {
        font-size: 0.72rem !important;
    }

    .user-display-name {
        font-size: 0.8rem !important;
    }

    .formal-you-tag {
        font-size: 0.55rem !important;
        padding: 1px 3px !important;
    }

    /* Center Solved Column on Mobile */
    .col-solved {
        width: 68px !important;
        padding-left: 0.15rem !important;
        padding-right: 0.15rem !important;
        text-align: center !important;
    }

    .formal-rank-table th.col-solved,
    .formal-rank-table td.col-solved {
        text-align: center !important;
    }

    .solved-count-num {
        font-size: 0.86rem !important;
        text-align: center !important;
    }

    /* Center Time Column on Mobile */
    .col-time {
        width: 76px !important;
        padding-left: 0.15rem !important;
        padding-right: 0.35rem !important;
        text-align: center !important;
    }

    .formal-rank-table th.col-time,
    .formal-rank-table td.col-time {
        text-align: center !important;
    }

    .total-time-val {
        font-size: 0.78rem !important;
        text-align: center !important;
    }
}