.todo-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 20px;
}

.todo-container header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

.add-todo {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#todoInput {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: none;
    border-radius: 10px;
    background: white;
}

#addBtn {
    padding: 15px 30px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

#addBtn:hover {
    background: #45a049;
    transform: scale(1.05);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.filter-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.3);
    color: white;
    border: 2px solid white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
    background: white;
    color: var(--primary-color);
}

.todo-list {
    list-style: none;
    padding: 0;
}

.todo-item {
    background: white;
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.todo-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.todo-item.completed {
    opacity: 0.6;
}

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

.todo-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.todo-text {
    flex: 1;
    font-size: 16px;
}

.todo-delete {
    background: #f44336;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.todo-delete:hover {
    background: #da190b;
    transform: scale(1.1);
}

.stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 20px;
    background: rgba(255,255,255,0.9);
    border-radius: 10px;
    color: var(--text-color);
}

#clearCompleted {
    background: #ff9800;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#clearCompleted:hover {
    background: #e68900;
    transform: scale(1.05);
}