/* ================================
   챌린지 게임 스타일 - 다크 테마
================================ */

.challenge-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.challenge-container h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.challenge-container .page-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 보상 알림 배너 */
.challenge-reward-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(240, 208, 96, 0.2));
    border: 1px solid var(--gold-primary);
    border-radius: 12px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.challenge-reward-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.challenge-reward-banner .banner-icon {
    font-size: 2rem;
}

.challenge-reward-banner .banner-text h3 {
    margin: 0 0 4px 0;
    font-size: 1.1rem;
    color: var(--gold-primary);
}

.challenge-reward-banner .banner-text p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.claim-reward-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
    color: #000;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.claim-reward-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

/* 보상 배너 애니메이션 */
@keyframes rewardBannerPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(212, 175, 55, 0.6);
    }
}

.challenge-reward-banner:not(.hidden) {
    animation: rewardBannerPulse 2s ease-in-out infinite;
}

/* 메인 레이아웃 */
.challenge-main-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 20px;
}

/* 게임 영역 */
.challenge-game-area {
    display: flex;
    flex-direction: column;
}

.challenge-game-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.challenge-game-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.game-desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* 카운트 표시 */
.challenge-count-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    margin-bottom: 30px;
    font-size: 1rem;
    color: var(--text-primary);
}

.challenge-count-display .count-icon {
    font-size: 1.2rem;
}

.challenge-count-display strong {
    color: var(--gold-primary);
    font-size: 1.1rem;
}

.regen-timer {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 스톱워치 게임 */
.stopwatch-game {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.stopwatch-display {
    font-size: 5rem;
    font-weight: 700;
    color: var(--gold-primary);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
    font-variant-numeric: tabular-nums;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stopwatch-target {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.game-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.challenge-btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.challenge-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.challenge-btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

/* 게임 결과 */
.challenge-result {
    margin-top: 20px;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.challenge-result.success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--neon-green);
}

.challenge-result.fail {
    background: rgba(255, 0, 128, 0.1);
    border-color: var(--neon-red);
}

.result-message {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.result-message.success {
    color: var(--neon-green);
}

.result-message.fail {
    color: var(--neon-red);
}

.result-details {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 순위 사이드바 - 테트리스 순위와 동일한 간격 */
.challenge-ranking-sidebar {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 18px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.challenge-ranking-sidebar h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
}

/* 순위 리스트 - 테트리스와 동일한 구조/간격 (ranking-item, rank, ranking-avatar, name, score) */
.challenge-ranking-list {
    max-height: 280px;
    overflow-y: auto;
}

.challenge-ranking-list .loading,
.challenge-ranking-list .empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 12px 0;
}

.challenge-ranking-list .ranking-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px 8px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
}

.challenge-ranking-list .ranking-item:last-child {
    border-bottom: none;
}

.challenge-ranking-list .ranking-item.rank-1 {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(240, 208, 96, 0.1));
    border: 1px solid var(--gold-primary);
}

.challenge-ranking-list .ranking-item.rank-2 {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.2), rgba(220, 220, 220, 0.1));
    border: 1px solid rgba(192, 192, 192, 0.5);
}

.challenge-ranking-list .ranking-item.rank-3 {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.2), rgba(222, 184, 135, 0.1));
    border: 1px solid rgba(205, 127, 50, 0.5);
}

.challenge-ranking-list .rank {
    min-width: 28px;
    font-weight: 700;
    color: var(--gold-primary);
    flex-shrink: 0;
}

.challenge-ranking-list .ranking-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.challenge-ranking-list .ranking-avatar.placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
}

.challenge-ranking-list .name {
    flex: 1;
    min-width: 0;
    max-width: 85px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.challenge-ranking-list .score {
    color: var(--gold-primary);
    font-weight: 600;
    flex-shrink: 0;
    margin-left: 4px;
}

/* 명예의 전당 */
.challenge-ranking-sidebar .hall-of-fame-title {
    font-size: 1rem;
    margin-top: 18px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.challenge-hall-of-fame-list {
    max-height: 160px;
    overflow-y: auto;
}

.challenge-hall-of-fame-list .empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 12px 0;
}

.challenge-hall-of-fame-list .ranking-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px 8px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.9rem;
}

.challenge-hall-of-fame-list .ranking-item:last-child {
    border-bottom: none;
}

.challenge-hall-of-fame-list .rank,
.challenge-hall-of-fame-list .ranking-avatar,
.challenge-hall-of-fame-list .name,
.challenge-hall-of-fame-list .score {
    /* 순위 리스트와 동일 스타일 재사용 */
}

.challenge-hall-of-fame-list .rank { min-width: 28px; font-weight: 700; color: var(--gold-primary); flex-shrink: 0; }
.challenge-hall-of-fame-list .ranking-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.challenge-hall-of-fame-list .ranking-avatar.placeholder { display: inline-flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.1); font-size: 0.8rem; }
.challenge-hall-of-fame-list .name { flex: 1; min-width: 0; max-width: 85px; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.challenge-hall-of-fame-list .score { color: var(--gold-primary); font-weight: 600; flex-shrink: 0; margin-left: 4px; }

/* 보상 지급 정보 (수령 내역 리스트 없음) */
.challenge-reward-info {
    margin-top: 18px;
    padding: 15px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
}

.reward-schedule {
    margin-bottom: 12px;
}

.reward-schedule-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.reward-schedule-times {
    font-size: 0.95rem;
    color: var(--gold-primary);
    font-weight: 600;
}

.reward-amounts {
    margin: 12px 0;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.reward-amounts-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.reward-amounts-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.reward-amount-item {
    font-size: 0.9rem;
    color: var(--text-primary);
    padding: 4px 0;
}

.reward-amount-item:first-child {
    color: var(--gold-primary);
    font-weight: 600;
}

.reward-amount-item:nth-child(2) {
    color: #c0c0c0;
    font-weight: 600;
}

.reward-amount-item:nth-child(3) {
    color: #cd7f32;
    font-weight: 600;
}

.reward-countdown {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.reward-countdown-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.reward-countdown-timer {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold-primary);
    font-variant-numeric: tabular-nums;
    font-family: 'Courier New', monospace;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .challenge-main-layout {
        grid-template-columns: 1fr;
    }

    .challenge-ranking-sidebar {
        position: static;
        margin-top: 20px;
    }

    .stopwatch-display {
        font-size: 3.5rem;
        min-height: 80px;
    }

    .game-buttons {
        flex-direction: column;
        width: 100%;
    }

    .challenge-btn {
        width: 100%;
    }

    .challenge-reward-banner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .claim-reward-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .challenge-container {
        padding: 16px;
    }

    .challenge-game-card {
        padding: 20px;
    }

    .stopwatch-display {
        font-size: 2.5rem;
    }
}