/* Inter-Circle Challenges (Circle Battles) */

.inter-circle-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.inter-circle-tabs .tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inter-circle-tabs .tab-btn:hover {
    border-color: var(--button-color);
    color: var(--text-color);
}

.inter-circle-tabs .tab-btn.active {
    background: var(--button-color);
    border-color: var(--button-color);
    color: white;
}

/* Challenge Cards */
.inter-circle-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inter-circle-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.inter-circle-card.active {
    border-color: var(--success-color);
    background: linear-gradient(135deg, rgba(74,222,128,0.05), transparent);
}

.inter-circle-card.upcoming {
    border-color: var(--button-color);
    background: linear-gradient(135deg, rgba(255,154,108,0.05), transparent);
}

.inter-circle-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.inter-circle-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
}

.inter-circle-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

.inter-circle-status.status-draft {
    background: var(--surface-elevated);
    color: var(--text-muted);
}

.inter-circle-status.status-registration {
    background: rgba(255,154,108,0.15);
    color: var(--button-color);
}

.inter-circle-status.status-active {
    background: rgba(74,222,128,0.15);
    color: var(--success-color);
}

.inter-circle-status.status-completed {
    background: rgba(96,165,250,0.15);
    color: #60a5fa;
}

.inter-circle-status.status-cancelled {
    background: rgba(239,68,68,0.15);
    color: var(--danger-color);
}

.inter-circle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.inter-circle-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.inter-circle-prize {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

/* Challenge Detail */
.inter-circle-detail-header {
    margin-bottom: 20px;
}

.inter-circle-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 12px;
}

.inter-circle-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.info-item {
    background: var(--surface-elevated);
    padding: 12px;
    border-radius: var(--radius-md);
}

.info-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.info-value {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.inter-circle-register-section {
    margin-bottom: 20px;
    text-align: center;
}

.inter-circle-register-section .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* Leaderboard */
.inter-circle-leaderboard {
    margin-top: 20px;
}

.inter-circle-leaderboard h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.leaderboard-item.disqualified {
    opacity: 0.5;
    text-decoration: line-through;
}

.leaderboard-rank {
    font-size: 16px;
    font-weight: 700;
    color: var(--button-color);
    min-width: 40px;
}

.leaderboard-item:first-child .leaderboard-rank {
    color: #FFD700;
}

.leaderboard-item:nth-child(2) .leaderboard-rank {
    color: #C0C0C0;
}

.leaderboard-item:nth-child(3) .leaderboard-rank {
    color: #CD7F32;
}

.leaderboard-circle {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.circle-icon-sm {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.leaderboard-circle .circle-name {
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-stats {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.leaderboard-stats span {
    white-space: nowrap;
}

/* Icon sizes */
.icon-xs {
    width: 14px;
    height: 14px;
}

/* Responsive */
@media (max-width: 400px) {
    .inter-circle-info-grid {
        grid-template-columns: 1fr;
    }

    .leaderboard-stats {
        flex-direction: column;
        gap: 4px;
    }
}