/* Weekly Plan - Direct Selection Design */
.training-categories {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.category-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.category-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.category-icon {
    font-size: 2rem;
}

.category-header h4 {
    margin: 0;
    font-size: 1.3rem;
    color: #1e293b;
}

.day-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.day-btn {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #64748b;
}

.day-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.day-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    transform: scale(1.05);
}

.category-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    margin-top: 1rem;
}

.detail-input {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.detail-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.plan-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.btn-save-plan {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-save-plan:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-clear-plan {
    background: white;
    color: #ef4444;
    border: 2px solid #ef4444;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-clear-plan:hover {
    background: #ef4444;
    color: white;
    transform: translateY(-2px);
}

/* Week selector */
.week-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.week-nav {
    background: white;
    border: 2px solid #e2e8f0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.week-nav:hover {
    border-color: #667eea;
    color: #667eea;
}

/* Responsive */
@media (max-width: 768px) {
    .day-selector {
        gap: 0.25rem;
    }
    
    .day-btn {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .plan-actions {
        flex-direction: column;
    }
    
    .btn-save-plan,
    .btn-clear-plan {
        width: 100%;
    }
}