/* Leaderboard — mobile-first card design for kids ages 6-10.
   Touch targets ≥44×44px, body text ≥18px, names ≥20px.
   Honours prefers-reduced-motion. */

:root {
    --lb-gold:   #ffd54a;
    --lb-silver: #c7ccd1;
    --lb-bronze: #cd8c5c;
    --lb-user-glow: rgba(255, 235, 59, 0.55);
    --lb-card-bg:  rgba(255, 255, 255, 0.06);
    --lb-card-bd:  rgba(255, 255, 255, 0.10);
    --lb-radius-card: 16px;
    --lb-radius-pill: 999px;
}

/* ============= OVERLAY ============= */
.lb-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: stretch;
    justify-content: center;
    background: rgba(15, 12, 41, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    overflow-y: auto;
    padding: 16px;
}
.lb-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.lb-overlay-card {
    margin: auto;
    width: 100%;
    max-width: 540px;
    background: linear-gradient(155deg, rgba(45, 27, 105, 0.85), rgba(83, 52, 131, 0.7));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 22px 18px 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    color: white;
    animation: lbCardIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
@keyframes lbCardIn {
    from { transform: translateY(20px) scale(0.96); opacity: 0; }
}

/* ============= HEADER ============= */
.lb-overlay-header {
    text-align: center;
}
.lb-overlay-title {
    font-size: 1.6rem;
    font-weight: 900;
    margin: 0 0 4px;
    background: linear-gradient(135deg, #f093fb, #f5576c, #fda085);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.lb-overlay-projection {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    min-height: 22px;
}
.lb-overlay-projection strong {
    color: var(--lb-gold);
    font-weight: 900;
    font-size: 1.2em;
}

/* ============= MY STATS (3 big tiles) ============= */
.lb-overlay-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}
.lb-mystat {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 14px;
    padding: 10px 6px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}
.lb-mystat span {
    font-size: 1.4rem;
}
.lb-mystat strong {
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1;
}
.lb-mystat small {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.lb-mystat--score strong { color: #fdd835; }
.lb-mystat--wpm strong   { color: #4facfe; }
.lb-mystat--acc strong   { color: #38ef7d; }

/* ============= INLINE SAVE SECTION ============= */
.lb-save-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.lb-save-row {
    display: flex;
    gap: 8px;
}
.lb-save-name {
    flex: 1;
    min-width: 0;
    min-height: 48px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    outline: none;
    transition: border-color 0.2s;
}
.lb-save-name:focus {
    border-color: var(--lb-gold);
}
.lb-save-name::placeholder {
    color: rgba(255, 255, 255, 0.35);
    font-weight: 600;
}
.lb-save-btn {
    flex-shrink: 0;
    white-space: nowrap;
}
.lb-autosave {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
    user-select: none;
}
.lb-autosave input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lb-gold);
    cursor: pointer;
    flex-shrink: 0;
}
.lb-saved-msg {
    display: none;
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--lb-gold);
    padding: 6px 0;
}
.lb-save-section--saved .lb-saved-msg {
    display: block;
}

/* ============= SORT BAR ============= */
.lb-sortbar {
    display: flex;
    gap: 6px;
    padding: 4px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--lb-radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.06);
}
.lb-sort-btn {
    flex: 1;
    min-height: 44px;
    background: transparent;
    border: none;
    border-radius: var(--lb-radius-pill);
    color: rgba(255, 255, 255, 0.6);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    padding: 0 8px;
}
.lb-sort-btn:hover { color: rgba(255, 255, 255, 0.85); }
.lb-sort-btn:active { transform: scale(0.97); }
.lb-sort-btn.active {
    background: linear-gradient(135deg, var(--accent-pink, #f093fb), var(--accent-red, #f5576c));
    color: white;
    box-shadow: 0 4px 16px rgba(245, 87, 108, 0.4);
}
.lb-sort-icon {
    font-size: 1.05rem;
}
.lb-sort-label {
    font-size: 0.9rem;
}

/* ============= CARDS LIST ============= */
.lb-cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 420px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 2px;
}
.lb-cards::-webkit-scrollbar { width: 6px; }
.lb-cards::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 3px; }

.lb-separator {
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 1.4rem;
    letter-spacing: 8px;
    padding: 4px 0 0;
}

.lb-empty {
    text-align: center;
    padding: 36px 16px;
    color: rgba(255, 255, 255, 0.7);
}
.lb-empty-emoji { font-size: 3.5rem; margin-bottom: 8px; }
.lb-empty-text  { font-size: 1.3rem; font-weight: 800; color: white; }
.lb-empty-sub   { font-size: 0.95rem; margin-top: 4px; color: rgba(255, 255, 255, 0.5); }

/* ============= INDIVIDUAL CARD ============= */
.lb-card {
    display: grid;
    grid-template-columns: 60px 44px 1fr auto;
    align-items: center;
    gap: 10px;
    background: var(--lb-card-bg);
    border: 1px solid var(--lb-card-bd);
    border-radius: var(--lb-radius-card);
    padding: 10px 12px;
    min-height: 64px;
    animation: lbCardSlide 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
    animation-delay: var(--lb-delay, 0ms);
    transition: transform 0.2s, background 0.2s;
}
@keyframes lbCardSlide {
    from { transform: translateX(-12px); opacity: 0; }
}
.lb-card:hover { background: rgba(255, 255, 255, 0.10); }

/* Tiered top 3 */
.lb-card--gold {
    background: linear-gradient(95deg, rgba(255, 213, 74, 0.32), rgba(255, 213, 74, 0.10));
    border-color: rgba(255, 213, 74, 0.55);
}
.lb-card--silver {
    background: linear-gradient(95deg, rgba(199, 204, 209, 0.30), rgba(199, 204, 209, 0.08));
    border-color: rgba(199, 204, 209, 0.5);
}
.lb-card--bronze {
    background: linear-gradient(95deg, rgba(205, 140, 92, 0.30), rgba(205, 140, 92, 0.08));
    border-color: rgba(205, 140, 92, 0.55);
}

/* Current player highlight */
.lb-card--user {
    border: 2px solid var(--lb-gold);
    box-shadow: 0 0 0 0 var(--lb-user-glow);
    animation: lbCardSlide 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) backwards,
               lbUserPulse 1.8s ease-in-out infinite;
    animation-delay: var(--lb-delay, 0ms), 600ms;
}
@keyframes lbUserPulse {
    0%, 100% { box-shadow: 0 0 0 0 var(--lb-user-glow); }
    50% { box-shadow: 0 0 0 8px rgba(255, 235, 59, 0); }
}
.lb-card--user.lb-card--gold,
.lb-card--user.lb-card--silver,
.lb-card--user.lb-card--bronze {
    border-color: var(--lb-gold);
}

/* Pending (just submitted) */
.lb-card--pending::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(255, 235, 59, 0.4);
    pointer-events: none;
}

/* Rank cell */
.lb-rank {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 900;
}
.lb-rank-num {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.85);
    font-family: 'JetBrains Mono', monospace;
}
.lb-card--gold   .lb-rank-num { color: var(--lb-gold); }
.lb-card--silver .lb-rank-num { color: var(--lb-silver); }
.lb-card--bronze .lb-rank-num { color: var(--lb-bronze); }
.lb-medal {
    font-size: 1.5rem;
    line-height: 1;
}

/* Avatar (character emoji) */
.lb-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}

/* Name */
.lb-name-wrap {
    min-width: 0;
}
.lb-name {
    font-size: 1.05rem;
    font-weight: 800;
    color: white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.lb-level-tag {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 700;
    margin-top: 1px;
}
.lb-pending {
    font-size: 0.7rem;
    color: var(--lb-gold);
    font-weight: 700;
    margin-top: 2px;
}

/* Stats */
.lb-stats {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}
.lb-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    min-width: 38px;
}
.lb-stat-icon {
    font-size: 0.85rem;
    opacity: 0.65;
    line-height: 1;
}
.lb-stat-num {
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.2;
    color: white;
    font-family: 'JetBrains Mono', monospace;
}
.lb-stat--score .lb-stat-num { color: #fdd835; }
.lb-stat--wpm   .lb-stat-num { color: #4facfe; }
.lb-stat--acc   .lb-stat-num { color: #38ef7d; }

/* Footer */
.lb-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 0;
}

/* ============= BUTTONS ============= */
.lb-btn {
    min-height: 48px;
    padding: 12px 20px;
    border: none;
    border-radius: 14px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.lb-btn:active { transform: scale(0.97); }
.lb-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.lb-btn--primary {
    background: linear-gradient(135deg, var(--accent-pink, #f093fb), var(--accent-red, #f5576c));
    color: white;
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.4);
}
.lb-btn--primary:hover { box-shadow: 0 8px 28px rgba(245, 87, 108, 0.6); }

.lb-btn--secondary {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.lb-btn--secondary:hover { background: rgba(255, 255, 255, 0.18); }

.lb-btn--ghost {
    background: transparent;
    color: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.lb-btn--ghost:hover { color: white; background: rgba(255, 255, 255, 0.06); }

/* ============= BOTTOM ACTIONS ============= */
.lb-overlay-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}


/* ============= MOBILE BREAKPOINTS ============= */
@media (max-width: 480px) {
    .lb-overlay { padding: 8px; }
    .lb-overlay-card { padding: 18px 12px 12px; gap: 10px; }
    .lb-overlay-title { font-size: 1.3rem; }
    .lb-overlay-stats { gap: 6px; }
    .lb-mystat { padding: 8px 4px; }
    .lb-mystat strong { font-size: 1.35rem; }

    .lb-card {
        grid-template-columns: 50px 38px 1fr auto;
        gap: 8px;
        padding: 9px 10px;
    }
    .lb-rank-num { font-size: 1.1rem; }
    .lb-medal { font-size: 1.25rem; }
    .lb-avatar { width: 38px; height: 38px; font-size: 1.4rem; }
    .lb-name { font-size: 0.98rem; }
    .lb-stats { gap: 6px; }
    .lb-stat { min-width: 34px; }
    .lb-stat-num { font-size: 0.85rem; }
    .lb-stat-icon { font-size: 0.75rem; }

    .lb-sort-label { display: none; }
    .lb-sort-btn { font-size: 1rem; padding: 0; }
    .lb-sort-icon { font-size: 1.3rem; }

    .lb-overlay-actions {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .lb-overlay-actions .lb-btn { min-height: 44px; font-size: 0.95rem; }

    .lb-save-name { padding: 9px 12px; font-size: 0.95rem; }
    .lb-save-btn { padding: 10px 14px; font-size: 0.9rem; }
}

/* ============= REDUCED MOTION ============= */
@media (prefers-reduced-motion: reduce) {
    .lb-overlay-card,
    .lb-card {
        animation: none;
    }
    .lb-card--user {
        animation: none;
        box-shadow: 0 0 0 3px var(--lb-user-glow);
    }
}