/* Difficulty Selector Styling */
.difficulty-selector {
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

.difficulty-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 10px;
    border: 2px solid #e3e6f0;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.difficulty-btn i {
    font-size: 24px;
    transition: transform 0.2s ease;
}

.difficulty-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.difficulty-btn:active {
    transform: translateY(0);
}

/* Easy - Green */
.difficulty-btn[data-difficulty="easy"] i {
    color: #1cc88a;
}

.difficulty-btn[data-difficulty="easy"].active {
    border-color: #1cc88a;
    background: #f0fdf7;
}

/* Medium - Yellow */
.difficulty-btn[data-difficulty="medium"] i {
    color: #f6c23e;
}

.difficulty-btn[data-difficulty="medium"].active {
    border-color: #f6c23e;
    background: #fffbf0;
}

/* Hard - Red */
.difficulty-btn[data-difficulty="hard"] i {
    color: #e74a3b;
}

.difficulty-btn[data-difficulty="hard"].active {
    border-color: #e74a3b;
    background: #fef5f4;
}

/* Weight Display Badge */
#weight-display {
    font-size: 14px;
    padding: 4px 10px;
}

/* Task List Improvements */
.task-item {
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.task-item:hover {
    background-color: #f8f9fc;
}

.task-item.completed {
    opacity: 0.7;
}

.task-item.completed .task-title {
    text-decoration: line-through;
}

/* Custom Range Slider */
.custom-range::-webkit-slider-thumb {
    background: #4e73df;
}

.custom-range::-moz-range-thumb {
    background: #4e73df;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #858796;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* Alternative fade animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

#notification-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}