/* ═══════════════════════════════════════════════
   clfsec Shooting Range Styles
   ═══════════════════════════════════════════════ */

/* ─── Challenge Card ─── */
.clfsec-challenge-card {
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    height: 100%;
}
.clfsec-challenge-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
.clfsec-challenge-card .stretched-link::after {
    z-index: 1;
}

/* ─── Solved Badge ─── */
.clfsec-solved-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #22c55e;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

/* ─── Difficulty Badge (card corner) ─── */
.clfsec-challenge-card .clfsec-difficulty-badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.3rem 1.2rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    border-radius: 0 12px 0 12px;
    z-index: 1;
}

/* ─── Flag Input ─── */
#flag-input {
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}
#flag-feedback .alert {
    margin-bottom: 0;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ─── Hint Accordion ─── */
.accordion-button:not(.collapsed) {
    background: var(--clfsec-primary) !important;
    color: #fff !important;
    box-shadow: none !important;
}
.accordion-button:focus {
    box-shadow: none !important;
    border-color: var(--clfsec-primary) !important;
}

/* ─── Challenge Content Images ─── */
.challenge-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 1rem 0;
}
.challenge-content pre {
    background: var(--clfsec-bg-secondary);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    border: 1px solid var(--clfsec-border);
}
.challenge-content code {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* ─── Leaderboard Table ─── */
#leaderboard-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clfsec-text-secondary);
    border-bottom-width: 2px;
}
#leaderboard-table td {
    vertical-align: middle;
}
#leaderboard-table .rank-1 td,
#leaderboard-table .rank-2 td,
#leaderboard-table .rank-3 td {
    font-weight: 600;
}
#leaderboard-table .rank-1 {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.08), transparent);
}
#leaderboard-table .rank-2 {
    background: linear-gradient(90deg, rgba(148, 163, 184, 0.08), transparent);
}
#leaderboard-table .rank-3 {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.06), transparent);
}

/* ─── Podium Avatars ─── */
.podium-item img {
    transition: transform 0.3s ease;
}
.podium-item:hover img {
    transform: scale(1.1);
}

/* ─── Pulse animation for submit button ─── */
@keyframes flag-submit-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}
#flag-submit-btn:disabled {
    animation: flag-submit-pulse 1s ease infinite;
}