/* ========================================================
   IDN PORTOFOLIO - MODERN LEADERBOARD STYLESHEET
   Design System: Space Grotesk + Inter, Frosted Glass, Micro-Box 4px
   Harmonized with Landing Page & Directory Aesthetics
   ======================================================== */

:root {
    --lb-primary: #1d72b8;
    --lb-primary-hover: #155e8a;
    --lb-primary-rgb: 29, 114, 184;
    --lb-accent: #0284c7;
    --lb-accent-glow: rgba(2, 132, 199, 0.25);
    --lb-dark-text: #0f172a;
    --lb-muted-text: #64748b;
    --lb-card-bg: #ffffff;
    --lb-card-border: rgba(226, 232, 240, 0.9);
    --lb-card-shadow: 0 4px 20px -5px rgba(15, 23, 42, 0.05);
    --lb-card-hover-shadow: 0 16px 36px -8px rgba(29, 114, 184, 0.16);
    --lb-chip-bg: rgba(241, 245, 249, 0.85);
    --lb-glass-bg: rgba(255, 255, 255, 0.85);
    --lb-glass-border: rgba(255, 255, 255, 0.7);
}

/* Dark Mode Tokens */
html.theme-dark,
body.theme-dark,
[data-bs-theme="dark"] {
    --lb-primary: #38bdf8;
    --lb-primary-hover: #7dd3fc;
    --lb-primary-rgb: 56, 189, 248;
    --lb-accent: #38bdf8;
    --lb-accent-glow: rgba(56, 189, 248, 0.3);
    --lb-dark-text: #f8fafc;
    --lb-muted-text: #94a3b8;
    --lb-card-bg: #161d2c;
    --lb-card-border: rgba(255, 255, 255, 0.08);
    --lb-card-shadow: 0 10px 30px -8px rgba(0, 0, 0, 0.7);
    --lb-card-hover-shadow: 0 20px 45px -8px rgba(0, 0, 0, 0.9), 0 0 25px rgba(56, 189, 248, 0.2);
    --lb-chip-bg: rgba(22, 29, 44, 0.75);
    --lb-glass-bg: rgba(22, 29, 44, 0.8);
    --lb-glass-border: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------
   HERO LEADERBOARD SECTION
   -------------------------------------------------------- */
.hero-wrapper {
    position: relative;
    padding: 3.5rem 1rem 3rem;
    text-align: center;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -80px;
    left: 20%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(29, 114, 184, 0.18), transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.hero-glow-2 {
    position: absolute;
    top: 20px;
    right: 15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15), transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 4px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    color: #d97706;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.82rem !important;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: 0.03em;
}

html.theme-dark .hero-badge-pill,
[data-bs-theme="dark"] .hero-badge-pill {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.12);
    border-color: rgba(251, 191, 36, 0.25);
}

.pulse-dot-gold {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f59e0b;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.8);
    animation: pulseDotAnim 2s infinite ease-in-out;
}

@keyframes pulseDotAnim {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: clamp(2rem, 4.5vw, 2.9rem) !important;
    font-weight: 800 !important;
    line-height: 1.15 !important;
    letter-spacing: -0.03em !important;
    color: var(--lb-dark-text);
    margin-bottom: 1.15rem;
}

.text-gradient {
    background: linear-gradient(135deg, #1d72b8 0%, #0284c7 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

html.theme-dark .text-gradient-gold,
[data-bs-theme="dark"] .text-gradient-gold {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-family: 'Inter', sans-serif;
    font-size: clamp(0.95rem, 1.8vw, 1.125rem) !important;
    color: var(--lb-muted-text);
    line-height: 1.6 !important;
    max-width: 720px;
    margin: 0 auto 2rem;
}

/* --------------------------------------------------------
   STATS CARDS (MICRO-BOX 4px)
   -------------------------------------------------------- */
.leaderboard-stats-row {
    margin-bottom: 2.25rem;
}

.leaderboard-stat-card {
    background: var(--lb-card-bg);
    border: 1px solid var(--lb-card-border);
    border-radius: 4px;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--lb-card-shadow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.leaderboard-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lb-primary), #f59e0b);
}

.leaderboard-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--lb-card-hover-shadow);
    border-color: rgba(var(--lb-primary-rgb), 0.35);
}

.lb-stat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.lb-stat-label {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: 0.82rem !important;
    font-weight: 700;
    color: var(--lb-muted-text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
}

.lb-stat-icon {
    width: 34px;
    height: 34px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    background: rgba(var(--lb-primary-rgb), 0.1);
    color: var(--lb-primary);
}

.lb-stat-number {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: 1.85rem !important;
    font-weight: 800 !important;
    color: var(--lb-dark-text);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.lb-stat-desc {
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem !important;
    color: var(--lb-muted-text);
}

/* --------------------------------------------------------
   FILTER HUB (MICRO-BOX 4px)
   -------------------------------------------------------- */
.leaderboard-filter-hub {
    background: var(--lb-card-bg);
    border-radius: 4px;
    border: 1px solid var(--lb-card-border);
    padding: 1.5rem 1.75rem;
    box-shadow: var(--lb-card-shadow);
    margin-bottom: 2.5rem;
    transition: all 0.3s ease;
}

.filter-hub-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.filter-hub-title {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    color: var(--lb-dark-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.custom-filter-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.custom-filter-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.78rem !important;
    font-weight: 700;
    color: var(--lb-muted-text);
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.custom-filter-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.custom-filter-input-wrap .filter-icon {
    position: absolute;
    left: 14px;
    color: var(--lb-primary);
    pointer-events: none;
    font-size: 0.95rem;
    z-index: 1;
}

.custom-select-control {
    width: 100%;
    height: 44px;
    padding: 8px 14px 8px 40px;
    border-radius: 4px;
    border: 1px solid var(--lb-card-border);
    background-color: var(--lb-card-bg);
    color: var(--lb-dark-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem !important;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: all 0.25s ease;
}

.custom-select-control:focus {
    border-color: var(--lb-primary);
    box-shadow: 0 0 0 3px rgba(var(--lb-primary-rgb), 0.18);
}

.btn-apply-leaderboard {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 4px;
    background: linear-gradient(135deg, #1d72b8 0%, #155e8a 100%);
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(29, 114, 184, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-apply-leaderboard:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d72b8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-reset-leaderboard {
    background: transparent;
    border: 1px solid var(--lb-card-border);
    color: var(--lb-muted-text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem !important;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-reset-leaderboard:hover {
    color: var(--lb-primary);
    background: rgba(var(--lb-primary-rgb), 0.08);
    border-color: var(--lb-primary);
}

/* --------------------------------------------------------
   CRITERIA EXPLANATION DRAWER (MICRO-BOX 4px)
   -------------------------------------------------------- */
.criteria-card {
    background: var(--lb-card-bg);
    border: 1px solid var(--lb-card-border);
    border-radius: 4px;
    margin-bottom: 2.5rem;
    box-shadow: var(--lb-card-shadow);
    overflow: hidden;
}

.criteria-header-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: var(--lb-dark-text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.92rem !important;
    font-weight: 700;
    transition: background-color 0.2s ease;
}

.criteria-header-btn:hover {
    background: var(--lb-chip-bg);
}

.criteria-body {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    font-family: 'Inter', sans-serif;
    font-size: 0.88rem !important;
    color: var(--lb-muted-text);
    line-height: 1.6;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.25rem;
}

.criteria-box {
    background: var(--lb-chip-bg);
    border: 1px solid var(--lb-card-border);
    border-radius: 4px;
    padding: 1.25rem;
}

.criteria-box h5 {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: 0.92rem !important;
    font-weight: 700 !important;
    color: var(--lb-dark-text);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.criteria-box ol {
    margin: 0;
    padding-left: 1.25rem;
}

.criteria-box li {
    margin-bottom: 0.4rem;
}

.criteria-callout {
    background: rgba(245, 158, 11, 0.08);
    border-left: 3px solid #f59e0b;
    border-radius: 0 4px 4px 0;
    padding: 0.85rem 1.25rem;
    margin-top: 1.25rem;
    font-size: 0.84rem;
    color: var(--lb-dark-text);
}

/* --------------------------------------------------------
   LEADERBOARD CARDS (MICRO-BOX 4px)
   -------------------------------------------------------- */
.leaderboard-list-wrap {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.leaderboard-card-modern {
    background: var(--lb-card-bg);
    border: 1px solid var(--lb-card-border);
    border-radius: 4px;
    padding: 1.15rem 1.5rem;
    box-shadow: var(--lb-card-shadow);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.leaderboard-card-modern:hover {
    transform: translateY(-3px);
    box-shadow: var(--lb-card-hover-shadow);
    border-color: rgba(var(--lb-primary-rgb), 0.35);
}

/* Top 3 Special Highlights */
.card-rank-1 {
    border-color: rgba(245, 158, 11, 0.45);
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.06) 0%, var(--lb-card-bg) 25%);
    box-shadow: 0 4px 20px -5px rgba(245, 158, 11, 0.15);
}

.card-rank-1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: #f59e0b;
}

.card-rank-2 {
    border-color: rgba(2, 132, 199, 0.45);
    background: linear-gradient(90deg, rgba(2, 132, 199, 0.06) 0%, var(--lb-card-bg) 25%);
    box-shadow: 0 4px 20px -5px rgba(2, 132, 199, 0.15);
}

.card-rank-2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: #0284c7;
}

.card-rank-3 {
    border-color: rgba(180, 83, 9, 0.45);
    background: linear-gradient(90deg, rgba(180, 83, 9, 0.06) 0%, var(--lb-card-bg) 25%);
    box-shadow: 0 4px 20px -5px rgba(180, 83, 9, 0.15);
}

.card-rank-3::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: #b45309;
}

/* Rank Number Badge */
.lb-rank-badge {
    width: 44px;
    height: 44px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem !important;
    font-weight: 800;
    background: var(--lb-chip-bg);
    border: 1px solid var(--lb-card-border);
    color: var(--lb-dark-text);
    flex-shrink: 0;
}

.rank-gold {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #ffffff;
    border-color: #f59e0b;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.rank-silver {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    color: #ffffff;
    border-color: #0284c7;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

.rank-bronze {
    background: linear-gradient(135deg, #b45309 0%, #92400e 100%);
    color: #ffffff;
    border-color: #b45309;
    box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
}

/* Avatar */
.lb-avatar-wrap {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid var(--lb-card-border);
    flex-shrink: 0;
    background: #0f172a;
}

.lb-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s ease;
}

.leaderboard-card-modern:hover .lb-avatar-img {
    transform: scale(1.06);
}

.lb-avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: #ffffff;
    background: linear-gradient(135deg, #1d72b8 0%, #0284c7 100%);
}

/* User Info Body */
.lb-user-body {
    flex-grow: 1;
    min-width: 0;
}

.lb-user-name {
    font-family: 'Space Grotesk', sans-serif !important;
    font-size: 1.05rem !important;
    font-weight: 700 !important;
    color: var(--lb-dark-text);
    margin: 0 0 0.25rem;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lb-user-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.lb-user-name a:hover {
    color: var(--lb-primary);
}

.lb-verified-check {
    color: #0284c7;
    font-size: 0.95rem;
}

.lb-user-meta {
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem !important;
    color: var(--lb-muted-text);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 0.2rem;
}

.lb-user-bio {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem !important;
    color: var(--lb-muted-text);
    opacity: 0.85;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Score Pill Badge */
.lb-score-pill {
    padding: 8px 16px;
    border-radius: 4px;
    background: var(--lb-chip-bg);
    border: 1px solid var(--lb-card-border);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.88rem !important;
    font-weight: 700;
    color: var(--lb-dark-text);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.lb-score-pill strong {
    color: var(--lb-primary);
    font-size: 1.05rem;
}

.btn-lb-profile {
    padding: 6px 14px;
    border-radius: 3px;
    background: rgba(var(--lb-primary-rgb), 0.1);
    color: var(--lb-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem !important;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.btn-lb-profile:hover {
    background: var(--lb-primary);
    color: #ffffff;
}

/* Empty State Card */
.lb-empty-card {
    background: var(--lb-card-bg);
    border: 1px dashed var(--lb-card-border);
    border-radius: 4px;
    padding: 3.5rem 1.5rem;
    text-align: center;
    margin: 1.5rem 0;
}

.lb-empty-icon {
    width: 60px;
    height: 60px;
    border-radius: 4px;
    background: rgba(var(--lb-primary-rgb), 0.1);
    color: var(--lb-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.25rem;
}

/* ========================================================
   DARK MODE HARMONIZATION (ZERO FONT INFLATION)
   ======================================================== */
html.theme-dark,
body.theme-dark,
[data-bs-theme="dark"] {
    font-size: 16px !important;
}

html.theme-dark .leaderboard-stat-card,
body.theme-dark .leaderboard-stat-card,
[data-bs-theme="dark"] .leaderboard-stat-card {
    background: var(--lb-card-bg);
    border-color: var(--lb-card-border);
}

html.theme-dark .leaderboard-card-modern,
body.theme-dark .leaderboard-card-modern,
[data-bs-theme="dark"] .leaderboard-card-modern {
    background: var(--lb-card-bg);
    border-color: var(--lb-card-border);
}

html.theme-dark .card-rank-1,
[data-bs-theme="dark"] .card-rank-1 {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.12) 0%, var(--lb-card-bg) 28%);
}

html.theme-dark .card-rank-2,
[data-bs-theme="dark"] .card-rank-2 {
    background: linear-gradient(90deg, rgba(2, 132, 199, 0.12) 0%, var(--lb-card-bg) 28%);
}

html.theme-dark .card-rank-3,
[data-bs-theme="dark"] .card-rank-3 {
    background: linear-gradient(90deg, rgba(180, 83, 9, 0.12) 0%, var(--lb-card-bg) 28%);
}

/* Responsive adjustment */
@media (max-width: 768px) {
    .leaderboard-card-modern {
        flex-wrap: wrap;
        padding: 1rem 1.15rem;
        gap: 0.85rem;
    }

    .lb-user-body {
        width: calc(100% - 130px);
    }

    .lb-score-pill {
        margin-left: auto;
    }
}

/* --------------------------------------------------------
   CHEVRON & ACCORDION HELPERS
   -------------------------------------------------------- */
.chevron {
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.chevron.rotated {
    transform: rotate(180deg);
}

/* --------------------------------------------------------
   LOADING OVERLAY & SPINNER
   -------------------------------------------------------- */
.lb-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.lb-loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top: 3px solid var(--lb-primary);
    border-radius: 50%;
    animation: lbSpin 0.8s linear infinite;
}

@keyframes lbSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}