/* Activity Tabs Styles */
.activity-tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 245, 212, 0.3);
    color: rgba(255, 255, 255, 0.9);
}

.activity-tab.active {
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.2), rgba(0, 210, 255, 0.2));
    border-color: rgba(0, 245, 212, 0.5);
    color: #00f5d4;
    box-shadow: 0 0 20px rgba(0, 245, 212, 0.3);
}

.tab-content {
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Sports Card Styles */
.sport-card {
    position: relative;
    overflow: hidden;
}

.sport-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 245, 212, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sport-card:hover::before {
    opacity: 1;
}

.sport-card.sport-active {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.sport-card.sport-active::after {
    content: '✓';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: currentColor;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    color: #0f172a;
}

.sport-card .material-symbols-outlined {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sport-card:active {
    transform: scale(0.95);
}

.sport-card.sport-active:active {
    transform: scale(1);
}